updated for version 7.3.913

Problem:    Still a crash when writing viminfo.
Solution:   Add checks for NULL pointers. (Ron Aaron)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    913,
 /**/
     912,
 /**/