patch 8.2.2005: redoing a mapping with <Cmd> doesn't work properly

Problem:    Redoing a mapping with <Cmd> doesn't work properly.
Solution:   Fill the redo buffer.  Use "<SNR>" instead of a key code.
            (closes #7282)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2005,
 /**/
     2004,
 /**/