Don't leak GError when option parsing fails
Don't leak GError when option parsing fails

https://bugzilla.gnome.org/show_bug.cgi?id=679296

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