patch 8.0.0711: cannot build without the wildmenu feature

Problem:    Cannot build without the wildmenu feature.
Solution:   Add #ifdef
diff --git a/src/version.c b/src/version.c
index 02ce657..6d448ae 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    711,
+/**/
     710,
 /**/
     709,