patch 7.4.797

Problem:    Crash when using more lines for the command line than
            'maxcombine'.
Solution:   Use the correct array index.  Also, do not try redrawing when
            exiting.  And use screen_Columns instead of Columns.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    797,
 /**/
     796,
 /**/