[GTK] Provide a default size for stock icons
[GTK] Provide a default size for stock icons
hwthomas/xwt,cra0zy/xwt,sevoku/xwt,residuum/xwt,TheBrainTech/xwt,mono/xwt,mminns/xwt,directhex/xwt,lytico/xwt,hamekoz/xwt,steffenWi/xwt,iainx/xwt,mminns/xwt,akrisiun/xwt,antmicro/xwt