patch 7.4.1226
Problem:    GRESOURCE_HDR is unused.
Solution:   Remove it. (Kazunobu Kuriyama)
diff --git a/src/version.c b/src/version.c
index 80c4eff..96a2daa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1226,
+/**/
     1225,
 /**/
     1224,