patch 8.0.1314: build fails on Mac

Problem:    Build fails on Mac. (chdiza)
Solution:   Add #ifdef around GUI fields.
diff --git a/src/version.c b/src/version.c
index e3f1428..202d21d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1314,
+/**/
     1313,
 /**/
     1312,