libbonoboui: fix QA warnings from packaging

* fixes:
libbonoboui-2.24.3: non -staticdev package contains static .a library: libbonoboui-dev path '/work/armv7a-vfp-neon-oe-linux-gnueabi/libbonoboui/2.24.3-r1/packages-split/libbonoboui-dev/usr/lib/libglade/2.0/libbonobo.a'

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