updated for version 7.3.508
Problem:    Default for v:register is not set.
Solution:   Init v:register in eval_init(). Correct for 'clipboard' before the
            main loop. (Ingo Karkat)
diff --git a/src/version.c b/src/version.c
index f4ef825..7e77f9a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    508,
+/**/
     507,
 /**/
     506,