Fixed android warning "Wunused-value"
Fixed android warning "Wunused-value"

Fixed warnings that appeared from
_studio/mfx_lib/mctf_package/mctf/src/mctf_common.cpp

Signed-off-by: Ivan Losev <5e3362b7a59c167a8e67793f6851c6aebc1b7f0f@intel.com>

Intel-Media-SDK/MediaSDK,Intel-Media-SDK/MediaSDK,Intel-Media-SDK/MediaSDK,Intel-Media-SDK/MediaSDK,Intel-Media-SDK/MediaSDK