patch 9.0.1263: KDL files are not recognized

Problem:    KDL files are not recognized.
Solution:   Add a pattern for KDL files. (Amaan Qureshi, closes #11898)
diff --git a/src/version.c b/src/version.c
index bb15492..7e93b11 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1263,
+/**/
     1262,
 /**/
     1261,