Clean up.

Change-Id: Ib17ea8bd52343dd93cadfa6cca4c16386f5e963e
diff --git a/device-common.mk b/device-common.mk
index 842781d..9957486 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -32,7 +32,7 @@
 
 # Set default USB interface
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
-	persist.sys.usb.config=mtp
+    persist.sys.usb.config=mtp
 
 include frameworks/native/build/tablet-7in-hdpi-1024-dalvik-heap.mk