patch 8.0.0666: dead for loop

Problem:    Dead for loop. (Coverity)
Solution:   Remove the for loop.
diff --git a/src/version.c b/src/version.c
index 8d8d4c8..52ed102 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    666,
+/**/
     665,
 /**/
     664,