driver core: fix whitespace in class_attr_string
driver core: fix whitespace in class_attr_string

869dfc875e3 addded a long line and indented with spaces. Fix.

Signed-off-by: Brandon Philips <ef971ee38bba25d9ac8a840d235457a038448b09@ifup.org>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@suse.de>

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