merge_config.sh: whitespace cleanup

Fix whitespace usage in the clean_up routine.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>

scripts/kconfig/merge_config.sh

@@ -21,8 +21,8 @@
 #  See the GNU General Public License for more details.
 
 clean_up() {
-       rm -f $TMP_FILE
-       exit
+	rm -f $TMP_FILE
+	exit
 }
 trap clean_up HUP INT TERM