patch 8.0.0611: the screen is not redrawn after sending t_u7

Problem:    When t_u7 is sent a few characters in the second screen line are
            overwritten and not redrawn later. (Rastislav Barlik)
Solution:   Move redrawing the screen to after overwriting the characters.
diff --git a/src/version.c b/src/version.c
index bb3581c..2d91a72 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    611,
+/**/
     610,
 /**/
     609,