git-branch-list: Remove `$?` from `exit`

Without an argument, `exit` will, like `return`, use the exit status of
the last command executed. The `$?` is therefore redundant and can be
removed.

1 files changed, 1 insertions, 1 deletions

diff --git a/git-branch-list b/git-branch-list
index fe24d71..1e8593c 100755
--- a/git-branch-list
+++ b/git-branch-list
@@ -132,7 +132,7 @@ case "$command" in
 	"")
 		list_branches
 
-		exit $?
+		exit
 		;;
 	*)
 		# If `$1` is an integer