patch 9.1.0874: filetype: karel files are not detected

Problem:  filetype: karel files are not detected
Solution: detect '*.kl' files as karel filetype,
          include syntax and filetype plugin
          (Kirill Morozov)

closes: #16075

Co-authored-by: KnoP-01 <knosowski@graeffrobotics.de>
Signed-off-by: Kirill Morozov <kirill@robotix.pro>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 51276a9..99a145a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    874,
+/**/
     873,
 /**/
     872,