Omit WAL mode from the wasm build.

FossilOrigin-Name: 88efe2a62b81e5ee9119f54204e397fda59666a327158c7b7c972e84a716869e

src/prepare.c

@@ -746,7 +746,9 @@ static int sqlite3Prepare(
     }
   }
 
-  sqlite3VtabUnlockList(db);
+#ifndef SQLITE_OMIT_VIRTUALTABLE
+  if( db->pDisconnect ) sqlite3VtabUnlockList(db);
+#endif
 
   if( nBytes>=0 && (nBytes==0 || zSql[nBytes-1]!=0) ){
     char *zSqlCopy;

src/sqlite.h.in

@@ -5628,7 +5628,7 @@ void sqlite3_value_free(sqlite3_value*);
 **
 ** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer 
 ** when first called if N is less than or equal to zero or if a memory
-** allocate error occurs.
+** allocation error occurs.
 **
 ** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is
 ** determined by the N parameter on first successful call.  Changing the