Whitespace and minor code cleanup

This is by no means comprehensive, but is quite a bit better already.

Change-Id: Ibc8654a5dfb0eec39cbd0b64bdb52bb4fbfe2f7e
diff --git a/prebuilt/install-recovery.sh b/prebuilt/install-recovery.sh
index f62cf0b..7c65d0e 100755
--- a/prebuilt/install-recovery.sh
+++ b/prebuilt/install-recovery.sh
@@ -10,7 +10,7 @@
 
 /system/xbin/daemonsu --auto-daemon &
 
-# Some apps like to run stuff from this script as well, that will 
+# Some apps like to run stuff from this script as well, that will
 # obviously break root - in your code, just search this file
 # for "install-recovery-2.sh", and if present, write there instead.