iw: remove unnecessary variable in find_mesh_param
iw: remove unnecessary variable in find_mesh_param

Also stick to coding style. use "strcmp ( , ) == 0" instead of (!strcmp( , ))

Signed-off-by: Ashok Nagarajan <9e0b93e9c5810aeb0f2c6945dc4891f6e9aba875@cozybit.com>

chunyeow/iw,bw-oss/iw,chunyeow/iw,CTU-IIG/802.11p-iw,Distrotech/iw,CTU-IIG/802.11p-iw,cozybit/iw,cozybit/iw,greearb/iw-ct,Distrotech/iw,greearb/iw-ct,bw-oss/iw