patch 7.4.1301

Problem:    Missing options in ch_open().
Solution:   Add s:chopt like in the other calls. (Ozaki Kiichi)

src/version.c

@@ -747,6 +747,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1301,
 /**/
     1300,
 /**/