patch 9.0.1615: URL shortcut files are not recognized

Problem:    URL shortcut files are not recognized.
Solution:   Add a pattern for URL shortcut files. (closes #12474)
diff --git a/src/version.c b/src/version.c
index b20685a..4e94e4b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1615,
+/**/
     1614,
 /**/
     1613,