patch 8.1.1079: no need for a separate ScreenLinesUtf8() test function

Problem:    No need for a separate ScreenLinesUtf8() test function.
Solution:   Get the composing characters with ScreenLines().
diff --git a/src/version.c b/src/version.c
index 6bca45d..d8a65cd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -776,6 +776,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1079,
+/**/
     1078,
 /**/
     1077,