File dia-0.97.3-libgdi32.patch of Package mingw64-dia

--- dia-0.97.3/plug-ins/cairo/Makefile.am	2015-10-19 21:00:06.702282385 +0200
+++ dia-0.97.3/plug-ins/cairo/Makefile.am	2015-10-19 21:01:49.950940009 +0200
@@ -18,5 +18,8 @@
 
 libcairo_filter_la_LDFLAGS = -export-dynamic -module -avoid-version $(NO_UNDEFINED)
 libcairo_filter_la_LIBADD = $(CAIRO_LIBS) $(top_builddir)/lib/libdia.la
+if OS_WIN32
+libcairo_filter_la_LIBADD += -lgdi32
+endif
 
 INCLUDES = -I$(srcdir)/../../lib $(GTK_CFLAGS) $(DEBUG_FLAGS) $(CAIRO_CFLAGS)
--- dia-0.97.3/plug-ins/wmf/Makefile.am	2015-10-19 21:00:06.706282294 +0200
+++ dia-0.97.3/plug-ins/wmf/Makefile.am	2015-10-19 21:01:15.263726899 +0200
@@ -10,7 +10,7 @@
 libwmf_filter_la_LDFLAGS = -export-dynamic -module -avoid-version $(NO_UNDEFINED)
 libwmf_filter_la_LIBADD = $(LIBEMF_LIBS)  $(top_builddir)/lib/libdia.la
 if OS_WIN32
-libwmf_filter_la_LIBADD += -lcomdlg32
+libwmf_filter_la_LIBADD += -lcomdlg32 -lgdi32
 endif
 
 INCLUDES = -I$(top_srcdir)/intl -I$(top_srcdir)/lib \