patch 8.0.0273: dead code detected by Coverity

Problem:    Dead code detected by Coverity when not using gnome.
Solution:   Rearrange the #ifdefs to avoid dead code.
diff --git a/src/version.c b/src/version.c
index cfaa0b8..a60de4c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    273,
+/**/
     272,
 /**/
     271,