staging: rtl8192e: Optimise Comparison to NULL tests - Coding Style

Change comparison to NULL to better adhere to coding standard.

Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John Whitmore 2018-06-06 12:40:02 +01:00 • committed by Greg Kroah-Hartman
commit 4b22ca814e