Proposed fix for Bug#4026 "Microseconds part of TIME/DATETIME types

is broken (prepared statements)": fixed date handling in many places 
of prepared statements code.

sql/protocol.h

@@ -18,7 +18,6 @@
 #pragma interface			/* gcc class implementation */
 #endif
 
-#define PACKET_BUFFET_EXTRA_ALLOC	1024
 
 class i_string;
 class THD;