patch 8.0.0530: buffer overflow when 'columns' is very big

Problem:    Buffer overflow when 'columns' is very big. (Nikolai Pavlov)
Solution:   Correctly compute where to truncate.  Fix translation.
            (closes #1600)
diff --git a/src/version.c b/src/version.c
index 82510cd..16ebc87 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    530,
+/**/
     529,
 /**/
     528,