updated for version 7.4.601

Problem:    It is not possible to have feedkeys() insert characters.
Solution:   Add the 'i' flag.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    601,
 /**/
     600,
 /**/