murphy-if: do not crash if message creation fails.
murphy-if: do not crash if message creation fails.

Change-Id: Ia22714367150775a186aa5b54a7243b0e68a31f3

otcshare/pulseaudio-module-murphy-ivi,otcshare/pulseaudio-module-murphy-ivi,otcshare/pulseaudio-module-murphy-ivi,otcshare/pulseaudio-module-murphy-ivi