Added the MIPS support to properly set up the sigaction handler.
Added the MIPS support to properly set up the sigaction handler.

mbgg/android-external-alsa-lib,mbgg/android-external-alsa-lib,PPCDroid/external-alsa-lib,PPCDroid/external-alsa-lib,PPCDroid/external-alsa-lib,mbgg/android-external-alsa-lib,mbgg/android-external-alsa-lib