Staging: quickstart: fixed coding style issues

Fixed the Following coding Style Issues:
drivers/staging/quickstart/quickstart.c:8: ERROR: trailing whitespace
drivers/staging/quickstart/quickstart.c:144: ERROR: spaces required around that '?' (ctx:VxV)
drivers/staging/quickstart/quickstart.c:144: ERROR: spaces required around that ':' (ctx:VxV)

Signed-off-by: Timo von Holtz <tvh@informatik.uni-kiel.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>