updated for version 7.3.500

Problem:    Ming makefile unconditionally sets WINVER.
Solution:   Only defined when not already defined. (Yasuhiro Matsumoto)

Author: brammool

src/Make_ming.mak

@@ -51,7 +51,9 @@ POSTSCRIPT=no
 # set to yes to enable OLE support
 OLE=no
 # Set the default $(WINVER) to make it work with pre-Win2k
+ifndef WINVER
 WINVER = 0x0400
+endif
 # Set to yes to enable Cscope support
 CSCOPE=yes
 # Set to yes to enable Netbeans support

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    500,
 /**/
     499,
 /**/