patch 7.4.2011

Problem:    It is not easy to get a list of command arguments.
Solution:   Add getcompletion(). (Yegappan Lakshmanan)

src/version.c

@@ -758,6 +758,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2011,
 /**/
     2010,
 /**/