Fix compilation error when using CLANG
Fix compilation error when using CLANG

"error" parameter is not used and causes unused parameter
error with CLANG.

Signed-off-by: Khaled Ben Amor <b0bd61ba816c1670346f20f0e8a28c14ecb510b6@intel.com>

android-ia/vendor_intel_hardware_audiocomms_parameter-framework_plugins_alsa,01org/parameter-framework-plugins-alsa