submodule: whitespace fix

Replace SPs with TAB.

Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/git-submodule.sh b/git-submodule.sh
index 7576d14..8e9e5ea 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -104,9 +104,9 @@
 	re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
 	name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
 		sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
-       test -z "$name" &&
-       die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
-       echo "$name"
+	test -z "$name" &&
+	die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
+	echo "$name"
 }
 
 #