HID: picolcd: testing the wrong variable
HID: picolcd: testing the wrong variable

"ref_cnt" is a point to the reference count and it's non-null.  We really
want to test the reference count itself.

Signed-off-by: Dan Carpenter <72501f147b2753e6660fdce744d9ac3084854f5e@gmail.com>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas