updated for version 7.4.291

Problem:    Compiler warning for int to pointer of different size when DEBUG
            is defined.
Solution:   use smsg() instead of EMSG3().

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    291,
 /**/
     290,
 /**/