diff --git a/ext/async/sqlite3async.c b/ext/async/sqlite3async.c
index 5c52f5f652..9d912b1861 100644
--- a/ext/async/sqlite3async.c
+++ b/ext/async/sqlite3async.c
@@ -10,7 +10,7 @@
 **
 *************************************************************************
 **
-** $Id: sqlite3async.c,v 1.5 2009/04/29 18:12:00 shane Exp $
+** $Id: sqlite3async.c,v 1.6 2009/04/30 17:45:34 shane Exp $
 **
 ** This file contains the implementation of an asynchronous IO backend 
 ** for SQLite.
@@ -19,7 +19,7 @@
 #if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ASYNCIO)
 
 #include "sqlite3async.h"
-#include "sqliteInt.h"
+#include "sqlite3.h"
 #include <stdarg.h>
 #include <string.h>
 #include <assert.h>
@@ -28,6 +28,11 @@
 #define MIN(x,y) ((x)<(y)?(x):(y))
 #define MAX(x,y) ((x)>(y)?(x):(y))
 
+#ifndef SQLITE_AMALGAMATION
+/* Macro to mark parameters as unused and silence compiler warnings. */
+#define UNUSED_PARAMETER(x) (void)(x)
+#endif
+
 /* Forward references */
 typedef struct AsyncWrite AsyncWrite;
 typedef struct AsyncFile AsyncFile;
@@ -242,6 +247,8 @@ static void async_os_shutdown(void);
 */
 #if SQLITE_OS_WIN || defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BORLANDC__)
 
+#include <windows.h>
+
 /* The following block contains the win32 specific code. */
 
 #define mutex_held(X) (GetCurrentThreadId()==primitives.aHolder[X])
@@ -302,7 +309,6 @@ static void async_cond_signal(int eCond){
   SetEvent(primitives.aCond[eCond]);
 }
 static void async_sched_yield(void){
-  /* Todo: Find out if win32 offers anything like sched_yield() */
   Sleep(0);
 }
 #else
@@ -703,7 +709,7 @@ static int asyncRead(
 
         if( iBeginIn<0 ) iBeginIn = 0;
         if( iBeginOut<0 ) iBeginOut = 0;
-        nCopy = MIN(pWrite->nByte-iBeginIn, iAmt-iBeginOut);
+        nCopy = (int)MIN(pWrite->nByte-iBeginIn, iAmt-iBeginOut);
 
         if( nCopy>0 ){
           memcpy(&((char *)zOut)[iBeginOut], &pWrite->zBuf[iBeginIn], nCopy);
@@ -751,7 +757,7 @@ int asyncFileSize(sqlite3_file *pFile, sqlite3_int64 *piSize){
 
   async_mutex_enter(ASYNC_MUTEX_QUEUE);
 
-  /* Read the filesystem size from the base file. If pBaseRead is NULL, this
+  /* Read the filesystem size from the base file. If pMethods is NULL, this
   ** means the file hasn't been opened yet. In this case all relevant data 
   ** must be in the write-op queue anyway, so we can omit reading from the
   ** file-system.
diff --git a/manifest b/manifest
index 6a14c5a08f..8d049d7a66 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Disable\san\salways-false\stest\sin\sthe\sattach.c\smodule.\s(CVS\s6581)
-D 2009-04-30T17:38:38
+C More\scleanup,\setc.\sto\ssupport\sMSVC\scompiles.\s(CVS\s6582)
+D 2009-04-30T17:45:34
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -25,7 +25,7 @@ F doc/lemon.html f0f682f50210928c07e562621c3b7e8ab912a538
 F doc/report1.txt a031aaf37b185e4fa540223cb516d3bccec7eeac
 F ext/README.txt 913a7bd3f4837ab14d7e063304181787658b14e1
 F ext/async/README.txt 0c541f418b14b415212264cbaaf51c924ec62e5b
-F ext/async/sqlite3async.c 207af6692a52cf1dc3a9e64c93dcd7f7a7db0a6f
+F ext/async/sqlite3async.c a10dd8add8544c62faf1b6eccb6b1e535b5e7cad
 F ext/async/sqlite3async.h b6d74dbf9aa5a0ac4e79aa15a4d987f3552a0f75
 F ext/fts1/README.txt 20ac73b006a70bcfd80069bdaf59214b6cf1db5e
 F ext/fts1/ft_hash.c 3927bd880e65329bdc6f506555b228b28924921b
@@ -726,7 +726,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P d67af3f5a21329e133aa6cf2be745a9f8c1a6562
-R 1053ef59038cf5f36f9be3b18c891400
-U drh
-Z f5c5a2a7db3916e075df663b238c5cc6
+P 92b69481bd0eedf06599c40623b38a6f4990010a
+R 1fb8411f09203d4b0b597f4bb4bb4448
+U shane
+Z c3fcacee57f0e52fd4f695bca1750e29
diff --git a/manifest.uuid b/manifest.uuid
index ec868153c4..e987d2cff1 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-92b69481bd0eedf06599c40623b38a6f4990010a
\ No newline at end of file
+2cd9655e7313671f2bbe8d4a6f13246cbbf61205
\ No newline at end of file