try fix gcc < 4.9 build
try fix gcc < 4.9 build
p-otto/gloperate,hpicgs/gloperate,Beta-Alf/gloperate,j-o/gloperate,cginternals/gloperate,p-otto/gloperate,Beta-Alf/gloperate,hpicgs/gloperate,Beta-Alf/gloperate,hpicgs/gloperate,Beta-Alf/gloperate,cginternals/gloperate,lanice/gloperate,lanice/gloperate,p-otto/gloperate,p-otto/gloperate,cginternals/gloperate,lanice/gloperate,cginternals/gloperate,hpicgs/gloperate,hpicgs/gloperate,j-o/gloperate,lanice/gloperate,Beta-Alf/gloperate,j-o/gloperate,p-otto/gloperate,lanice/gloperate,j-o/gloperate