patch 8.0.1260: using global variables for WaitFor()

Problem:    Using global variables for WaitFor().
Solution:   Use a lambda function instead.  Don't check a condition if
            WaitFor() already checked it.
diff --git a/src/version.c b/src/version.c
index e31f17b..4fa6ea5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1260,
+/**/
     1259,
 /**/
     1258,