patch 9.1.0251: Filetype test fails

Problem:  Filetype test fails.
Solution: Move detection by name before detection by extension.
          Improve TextChanged test and remove wrong test and fix
          a typo in a comment (zeertzjq).

closes: #14373

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 42a9a1a..ee7c3ec 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    251,
+/**/
     250,
 /**/
     249,