patch 8.2.0006: test using long file name may fail

Problem:    Test using long file name may fail. (Vladimir Lomov)
Solution:   Limit the name length. (Christian Brabandt, closes #5358)
diff --git a/src/version.c b/src/version.c
index cddf770..2ab2e07 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    6,
+/**/
     5,
 /**/
     4,