File dia-0.97.3-gcc6.patch of Package mingw32-dia

--- dia-0.97.3/plug-ins/wmf/paginate_gdiprint.cpp	2014-08-24 17:46:01.000000000 +0200
+++ dia-0.97.3/plug-ins/wmf/paginate_gdiprint.cpp	2016-06-02 08:48:34.291833230 +0200
@@ -29,6 +29,7 @@
 #include <glib.h>
 #include <math.h>
 #include <string.h>
+#include <stdlib.h>
 
 // it's so ugly --hb ;(
 // include before, cause it has extern "C" already
--- dia-0.97.3/plug-ins/wmf/wmf.cpp	2014-08-24 17:46:01.000000000 +0200
+++ dia-0.97.3/plug-ins/wmf/wmf.cpp	2016-06-02 08:49:07.683086213 +0200
@@ -23,6 +23,7 @@
 #include "config.h"
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>
 #include <math.h>
 #include <glib.h>
 #include <glib/gstdio.h>