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/ex_getln.c

@@ -342,6 +342,13 @@ getcmdline(firstc, count, indent)
     do_digraph(-1);		/* init digraph typeahead */
 #endif
 
+    /* If something above caused an error, reset the flags, we do want to type
+     * and execute commands. Display may be messed up a bit. */
+    if (did_emsg)
+	redrawcmd();
+    did_emsg = FALSE;
+    got_int = FALSE;
+
     /*
      * Collect the command string, handling editing keys.
      */