Don't stop the script when the release branch is the current branch.

Simply step aside to the master branch instead.

git-flow-release

@@ -149,12 +149,6 @@ require_no_existing_release_branches() {
 		die "There is an existing release branch ($first_branch). Finish that one first."
 }
 
-require_not_on_release_branch() {
-	if [ "$BRANCH" = "$(git_current_branch)"]; then
-		die "You cannot be in the '$BRANCH' branch when you finish it."
-	fi
-}
-
 cmd_start() {
 	DEFINE_boolean fetch false "fetch from $ORIGIN before performing finish" F
 	parse_args "$@"
@@ -210,7 +204,6 @@ cmd_finish() {
 	# sanity checks
 	require_branch "$BRANCH"
 	require_clean_working_tree
-	require_not_on_release_branch
 	if flag fetch; then
 		git fetch -q "$ORIGIN" "$MASTER_BRANCH" || \
 		  die "Could not fetch $MASTER_BRANCH from $ORIGIN."
@@ -264,6 +257,9 @@ cmd_finish() {
 
 	# delete branch
 	if noflag keep; then
+		if [ "$BRANCH" = "$(git_current_branch)" ]; then
+			git checkout "$MASTER_BRANCH"
+		fi
 		git branch -d "$BRANCH"
 	fi