libgnome: fix QA warnings from packaging

* fixes:
libgnome-2.32.1: non -staticdev package contains static .a library: libgnome-dev path '/work/armv7a-vfp-neon-oe-linux-gnueabi/libgnome/2.32.1-r0/packages-split/libgnome-dev/usr/lib/bonobo/monikers/libmoniker_extra_2.a'

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>