patch 9.1.0796: filetype: libtool files are not recognized

Problem:  filetype: libtool files are not recognized
Solution: detect '*.{lo,la,lai}' as sh filetype
          (Wu, Zhenyu)

closes: #15751

Signed-off-by: Wu, Zhenyu <wuzhenyu@ustc.edu>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 6d7ef03..e979c04 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    796,
+/**/
     795,
 /**/
     794,