patch 9.0.2148: Vim does not detect pacman.log file

Problem:  Vim does not detect pacman.log file
Solution: Detect pacmanlogs and add syntax highlighting

pacman.log is a filetype common to Arch Liux and related distributions.
Add some simple syntax highlighting for the pacmanlog filetype.

closes: #13618

Signed-off-by: Ronan Pigott <ronan@rjp.ie>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 87bda1f..2c09227 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2148,
+/**/
     2147,
 /**/
     2146,