8155772: gtk3_interface.c compilation error on Ubuntu 12.10
Reviewed-by: serb, kcr
os_family = bsd
arch = x86
arch_model = x86_64
os_arch = bsd_x86
os_arch_model = bsd_x86_64
lib_arch = amd64
compiler = gcc
sysdefs = -D_ALLBSD_SOURCE -D_GNU_SOURCE -DAMD64