updated for version 7.4.337

Problem:    When there is an error preparing to edit the command line, the
            command won't be executed. (Hirohito Higashi)
Solution:   Reset did_emsg before editing.

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    337,
 /**/
     336,
 /**/