libcgroup: Fix coding style issues in config.c
libcgroup: Fix coding style issues in config.c

Pre:
total: 1 errors, 10 warnings, 817 lines checked

Post:
total: 0 errors, 4 warnings, 818 lines checked

Unfixed warnings are because they break text and therefore capabilities
to easily grep through.

Signed-off-by: Dhaval Giani <f48451d72a1ad74c777093928b661ad7099a85df@gmail.com>

jrfastab/Linux-cgdcbxd,rafalmiel/libcg,jrfastab/Linux-cgdcbxd,rafalmiel/libcg,jrfastab/Linux-cgdcbxd,rafalmiel/libcg,jrfastab/Linux-cgdcbxd,rafalmiel/libcg