Security fixes for CVE-2015-0848, CVE-2015-4588
https://bugzilla.redhat.com/show_bug.cgi?id=1227243

--- src/ipa/ipa.h.orig	Sun Oct 28 15:07:20 2001
+++ src/ipa/ipa.h	Wed Jun 24 17:29:11 2015
@@ -48,7 +48,7 @@ static int            ReadBlobByte (BMPSource*);
 static unsigned short ReadBlobLSBShort (BMPSource*);
 static unsigned long  ReadBlobLSBLong (BMPSource*);
 static long           TellBlob (BMPSource*);
-static void           DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*);
+static int            DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*);
 static void           ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*);
 static int            ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned int,unsigned int);
 static void           SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned char,unsigned int,unsigned int);