generic: do not use AV_OPT_SEARCH_FAKE_OBJ flag
generic: do not use AV_OPT_SEARCH_FAKE_OBJ flag

The current tizen libav package has a bug when we provide AV_OPT_SEARCH_FAKE_OBJ
flag to av_opt_*() calls, it segfault's. Since we don't need it at all
I'm dropping the flag.

profusion/lightmediascanner,profusion/lightmediascanner,profusion/lightmediascanner