batman-adv: properly convert flag into a boolean value
batman-adv: properly convert flag into a boolean value

In order to properly convert a bitwise AND to a boolean value, the whole
expression must be prepended by "!!".

Signed-off-by: Antonio Quartulli <ed91ce0fd2670d4a98b12fc9ec6b7a497c7ed53f@autistici.org>

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