patch 8.2.3414: fullcommand() gives wrong name with buffer-local user command

Problem:    fullcommand() gives the wrong name if there is a buffer-local user
            command. (Naohiro Ono)
Solution:   Use a separate function to get the user command name.
            (closes #8840)

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3414,
 /**/
     3413,
 /**/