gnome: Fix building gir with asan again
gnome: Fix building gir with asan again

asan must be first in ldflags and this order was lost in cb36add970d448f8b4ace7e4dc6028e5441bccd7

So this is the most simple solution of just putting it first in internal_ldflags

See https://github.com/mesonbuild/meson/issues/2117#issuecomment-408560838
MathieuDuponchelle/meson,mesonbuild/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,jeandet/meson,thiblahute/meson,jpakkane/meson,thiblahute/meson,pexip/meson,jeandet/meson,QuLogic/meson,thiblahute/meson,pexip/meson,jpakkane/meson,MathieuDuponchelle/meson,jeandet/meson,pexip/meson,jpakkane/meson,mesonbuild/meson,QuLogic/meson,jeandet/meson,becm/meson,jpakkane/meson,QuLogic/meson,jeandet/meson,thiblahute/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,jpakkane/meson,jeandet/meson,becm/meson,QuLogic/meson,mesonbuild/meson,pexip/meson,MathieuDuponchelle/meson,mesonbuild/meson,mesonbuild/meson,thiblahute/meson,jpakkane/meson,jeandet/meson,becm/meson,becm/meson,QuLogic/meson,mesonbuild/meson,becm/meson,MathieuDuponchelle/meson,mesonbuild/meson,MathieuDuponchelle/meson,becm/meson,mesonbuild/meson,mesonbuild/meson,QuLogic/meson,pexip/meson,jpakkane/meson,thiblahute/meson,QuLogic/meson,MathieuDuponchelle/meson,jeandet/meson,QuLogic/meson,becm/meson,thiblahute/meson,pexip/meson,becm/meson,pexip/meson,pexip/meson,jeandet/meson,thiblahute/meson,pexip/meson,jpakkane/meson,becm/meson,MathieuDuponchelle/meson,QuLogic/meson,becm/meson,thiblahute/meson