Fix some vulnerability (Null Pointer Dereference) defects
-rw-r--r-- 11644 LICENSE.APLv2
-rw-r--r-- 2634 Makefile.am
-rw-r--r-- 217 NOTICE
-rw-r--r-- 27428 audio_device.png
-rwxr-xr-x 123 autogen.sh
drwxr-xr-x - common
-rw-r--r-- 3696 configure.ac
drwxr-xr-x - focus_server
drwxr-xr-x - include
-rw-r--r-- 167 libmm-sound-tool.manifest
-rw-r--r-- 67 libmm-sound.manifest
-rw-r--r-- 11198 mm_sound.c
-rw-r--r-- 4571 mm_sound_bootsound.c
-rw-r--r-- 45542 mm_sound_client.c
-rw-r--r-- 15467 mm_sound_device.c
-rw-r--r-- 8837 mm_sound_focus.c
-rw-r--r-- 19678 mm_sound_focus_private.c
-rw-r--r-- 14214 mm_sound_focus_socket.c
-rw-r--r-- 7468 mm_sound_keysound.c
-rw-r--r-- 9532 mm_sound_pa_client.c
-rw-r--r-- 38390 mm_sound_proxy.c
drwxr-xr-x - packaging
drwxr-xr-x - pkgconfig
drwxr-xr-x - server
drwxr-xr-x - testsuite
drwxr-xr-x - unittest