patch 8.2.0511: Cscope code not fully tested

Problem:    Cscope code not fully tested.
Solution:   Add more test cases. (Dominique Pelle, closes #5886)
diff --git a/src/version.c b/src/version.c
index 122dcc8..076d032 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    511,
+/**/
     510,
 /**/
     509,