patch 9.0.0510: Chatito files are not recognized

Problem:    Chatito files are not recognized.
Solution:   Add a pattern for Chatito files. (closes #11174)
diff --git a/src/version.c b/src/version.c
index 22db890..d7d5bd3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    510,
+/**/
     509,
 /**/
     508,