libdvb: add missing <string.h> include
libopensync: disable compiler error/warning

Disable no-unused-but-set-variable which prevented it from compiling
linphone: disable compiler warning-as-error

Disable no-unused-but-set-variable which prevented it from compiling
lua: add -fPIC gcc flag for x86_64
mdadm: disable compiler warning-as-error

Disable no-unused-but-set-variable which prevented it from compiling
mediatomb: add missing stdlib.h header patch
moblock: disable compiler warning-as-error

Disable no-unused-but-set-variable which prevented it from compiling
mp3blaster: update to 3.2.5