Fix genre selection segfault
Fix genre selection segfault

Closes #193 and #194

bmbove/pianobar-save,tchajed/pianobar,johndeeney/pianobar,tchajed/pianobar,gnowxilef/pianobar,bmbove/pianobar-save,twahlfeld/pianobar,tchajed/pianobar,gnowxilef/pianobar,johnso51/pianobar,johndeeney/pianobar,DavidZemon/pianobar,twahlfeld/pianobar,gnowxilef/pianobar,johndeeney/pianobar,twahlfeld/pianobar,tchajed/pianobar,DavidZemon/pianobar,DavidZemon/pianobar,tchajed/pianobar,gnowxilef/pianobar,tchajed/pianobar,DavidZemon/pianobar,johndeeney/pianobar,gnowxilef/pianobar,johnso51/pianobar,DavidZemon/pianobar,bmbove/pianobar-save,twahlfeld/pianobar,DavidZemon/pianobar,twahlfeld/pianobar,johndeeney/pianobar,gnowxilef/pianobar,bmbove/pianobar-save,johndeeney/pianobar,johnso51/pianobar,johnso51/pianobar,bmbove/pianobar-save,twahlfeld/pianobar,johnso51/pianobar,johnso51/pianobar