Require Windows XP

(I doubt VLC 1.2.0 will be out before July 13th this year)

bin/winvlc.c

@@ -46,11 +46,6 @@
 static void check_crashdump(void);
 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
 # endif
-typedef enum _HEAP_INFORMATION_CLASS {
-        HeapCompatibilityInformation,
-        HeapEnableTerminationOnCorruption
-} HEAP_INFORMATION_CLASS;
-WINBASEAPI BOOL WINAPI HeapSetInformation(HANDLE,HEAP_INFORMATION_CLASS,PVOID,SIZE_T);
 #define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
 #endif
 

configure.ac

@@ -312,12 +312,12 @@ case "${host_os}" in
         ;;
       *mingw32*)
         SYS=mingw32
-        AC_DEFINE([_WIN32_WINNT], 0x0500, [Define to '0x0500' for Windows 2000 APIs.])
+        AC_DEFINE([_WIN32_WINNT], 0x0501, [Define to '0x0500' for Windows XP APIs.])
         ;;
       *cygwin*)
         dnl Check if we are using the mno-cygwin mode in which case we are
         dnl actually dealing with a mingw32 compiler.
-        AC_DEFINE([_WIN32_WINNT], 0x0500, [Define to '0x0500' for Windows 2000 APIs.])
+        AC_DEFINE([_WIN32_WINNT], 0x0501, [Define to '0x0501' for Windows XP APIs.])
         AC_EGREP_CPP(yes,
             [#ifdef WIN32
              yes