windows header fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1212 c046a42c-6fe2-441c-8c8c-71466251a162

slirp/slirp.h

@@ -20,6 +20,7 @@ typedef uint32_t u_int32_t;
 typedef uint64_t u_int64_t;
 typedef char *caddr_t;
 
+# include <windows.h>
 # include <winsock2.h>
 # include <sys/timeb.h>
 # include <iphlpapi.h>