Fix local_get_elf_image prototype.
Fix local_get_elf_image prototype.

Change-Id: I3fb0de34ac0447e25b0c0368f76044b4bfc834ba

DroidSim/platform_external_libunwind,android-ia/platform_external_libunwind,geekboxzone/lollipop_external_libunwind,frida/libunwind,geekboxzone/lollipop_external_libunwind,geekboxzone/mmallow_external_libunwind,frida/libunwind,geekboxzone/mmallow_external_libunwind,DroidSim/platform_external_libunwind,CyanogenMod/android_external_libunwind,olibc/libunwind,olibc/libunwind,android-ia/platform_external_libunwind,androidarmv6/android_external_libunwind,zeldin/platform_external_libunwind,CyanogenMod/android_external_libunwind,SyndicateRogue/libunwind,maltek/platform_external_libunwind,frida/libunwind,zeldin/platform_external_libunwind,SyndicateRogue/libunwind,geekboxzone/mmallow_external_libunwind,olibc/libunwind,androidarmv6/android_external_libunwind,android-ia/platform_external_libunwind,DroidSim/platform_external_libunwind,atanasyan/libunwind-android,SyndicateRogue/libunwind,zeldin/platform_external_libunwind,maltek/platform_external_libunwind,androidarmv6/android_external_libunwind,maltek/platform_external_libunwind,CyanogenMod/android_external_libunwind,geekboxzone/lollipop_external_libunwind,atanasyan/libunwind-android,atanasyan/libunwind-android