patch 8.1.1199: no test for :abclear

Problem:    No test for :abclear.
Solution:   Add a test. (Dominique Pelle, closes #4292)
diff --git a/src/version.c b/src/version.c
index 48e8d99..d3635b0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1199,
+/**/
     1198,
 /**/
     1197,