Description: Fix implicit function declaration
Index: libmatchbox-1.12+git20170224/libmb/mbpixbuf.c
===================================================================
--- libmatchbox-1.12+git20170224.orig/libmb/mbpixbuf.c	2020-06-15 14:38:11.830805291 +0100
+++ libmatchbox-1.12+git20170224/libmb/mbpixbuf.c	2020-06-15 14:38:11.826805288 +0100
@@ -27,6 +27,9 @@
 
 #include <setjmp.h>
 
+extern int
+mb_want_warnings(void);
+
 #define BYTE_ORD_24_RGB  0
 #define BYTE_ORD_24_RBG  1
 #define BYTE_ORD_24_BRG  2