updated for version 7.4.649

Problem:    Compiler complains about ignoring return value of fwrite().
            (Michael Jarvis)
Solution:   Add (void).

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    649,
 /**/
     648,
 /**/