updated for version 7.3.311

Problem:    Complete function isn't called when the leader changed.
Solution:   Allow the complete function to return a dictionary with a flag
            that indicates ins_compl_restart() is to be called when the leader
            changes. (Taro Muraoka)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    311,
 /**/
     310,
 /**/