--- c-ares-1.4.0/nameser.h.bak	Wed Mar 14 16:22:28 2007
+++ c-ares-1.4.0/nameser.h	Tue Jul 24 21:14:00 2007
@@ -32,7 +32,9 @@
 int ares_writev (SOCKET s, const struct iovec *vector, size_t count);
 #define writev(s,vect,count)  ares_writev(s,vect,count)
 
+#ifndef __MINGW32__
 struct timezone { int dummy; };
+#endif
 
 int ares_gettimeofday(struct timeval *tv, struct timezone *tz);
 #define gettimeofday(tv,tz) ares_gettimeofday(tv,tz)