v4l2_enc: update little typo
v4l2_enc: update little typo

Only delete one left parentheses.

Signed-off-by: dongping wu <eada3ae4a96a673269eca90300aaefadacf3db15@intel.com>

01org/libyami-utils,01org/libyami-utils,01org/libyami-utils,01org/libyami-utils