patch 9.1.0635: filetype: SuperHTML template files not recognized

Problem:  filetype: SuperHTML template files not recognized
Solution: Update the filetype detection code to detect '*.shtml' either
          as HTML (Server Side Includes) or SuperHTML (template files)
          (EliSauder)

related: #15355
related: #15367

Signed-off-by: EliSauder <24995216+EliSauder@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 6520422..a321cc5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    635,
+/**/
     634,
 /**/
     633,