gnome: Filter CFLAGS that are passed to g-ir-scanner
gnome: Filter CFLAGS that are passed to g-ir-scanner

g-ir-scanner barfs on any flags other than -D -I and -U

thiblahute/meson,jeandet/meson,mesonbuild/meson,QuLogic/meson,becm/meson,QuLogic/meson,jeandet/meson,pexip/meson,QuLogic/meson,jpakkane/meson,QuLogic/meson,becm/meson,MathieuDuponchelle/meson,jpakkane/meson,thiblahute/meson,jeandet/meson,pexip/meson,becm/meson,thiblahute/meson,jpakkane/meson,jeandet/meson,pexip/meson,mesonbuild/meson,mesonbuild/meson,QuLogic/meson,pexip/meson,becm/meson,thiblahute/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,jpakkane/meson,MathieuDuponchelle/meson,pexip/meson,becm/meson,pexip/meson,mesonbuild/meson,jeandet/meson,thiblahute/meson,becm/meson,thiblahute/meson,MathieuDuponchelle/meson,mesonbuild/meson,jpakkane/meson,pexip/meson,QuLogic/meson,pexip/meson,jpakkane/meson,becm/meson,thiblahute/meson,pexip/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,becm/meson,jpakkane/meson,QuLogic/meson,jeandet/meson,mesonbuild/meson,QuLogic/meson,jeandet/meson,jeandet/meson,thiblahute/meson,QuLogic/meson,jpakkane/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,becm/meson,MathieuDuponchelle/meson,becm/meson,MathieuDuponchelle/meson,mesonbuild/meson,jeandet/meson,mesonbuild/meson,mesonbuild/meson,thiblahute/meson