patch 8.1.0511: ml_get error when calling a function with a range

Problem:    ml_get error when calling a function with a range.
Solution:   Don't position the cursor after the last line.
diff --git a/src/version.c b/src/version.c
index a5b6d87..8440ce9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    511,
+/**/
     510,
 /**/
     509,