updated for version 7.3.586

Problem:    When compiling with Cygwin or MingW MEMORYSTATUSEX is not defined.
Solution:   Set the default for WINVER to 0x0500.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    586,
 /**/
     585,
 /**/