Add additional include files for Windows build to eliminate more warnings

diff --git a/lib/agraph/io.c b/lib/agraph/io.c
index c794af635130032b472c10fcbbf7d20a1427e165..c50b9cdf2d0b91835f731d1cf41b783a47d0fb7d 100644 (file)
--- a/lib/agraph/io.c
+++ b/lib/agraph/io.c
@@ -14,6 +14,10 @@
 *              AT&T Research, Florham Park NJ             *
 **********************************************************/
 
+#ifdef WIN32
+#include <compat.h>
+#include <io.h>
+#endif
 #include <stdio.h>
 #include "aghdr.h"