patch 9.1.0291: filetype: libreoffice config files are not recognized

Problem:  filetype: libreoffice config files are not recognized
Solution: Detect Libreoffice config fils as xml/dosini
          (Wu, Zhenyu)

closes: #14453

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 f215931..c9fc048 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    291,
+/**/
     290,
 /**/
     289,