Fix unused functions when compiling w/o debug
Fix unused functions when compiling w/o debug

https://bugzilla.gnome.org/show_bug.cgi?id=678045

GNOME/at-spi2-core,GNOME/at-spi2-atk,Distrotech/at-spi2-atk,GNOME/at-spi2-core,GNOME/at-spi2-core,Distrotech/at-spi2-atk