patch 8.1.1177: .ts files are recognized as xml, typescript is more common

Problem:    .ts files are recognized as xml, while typescript is more common.
Solution:   Recognize .ts files as typescript. (closes #4264)
diff --git a/src/version.c b/src/version.c
index bfb5c59..939f378 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1177,
+/**/
     1176,
 /**/
     1175,