keucr: fixes space prohibited before warning

This patch fixes the following checkpatch error and warning,
ERROR: space prohibited before open square bracket '['
WARNING: space prohibited before semicolon

Signed-off-by: Amarjargal Gundjalam <amarjargal16@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>