patch 8.2.1044: not all systemd file types are recognized

Problem:    Not all systemd file types are recognized.
Solution:   Match several more files. (Guido Cella, closes #6319)
diff --git a/src/version.c b/src/version.c
index cf2d868..8b6ddca 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1044,
+/**/
     1043,
 /**/
     1042,