meson.py: Warn if the encoding is not UTF-8 compatible
meson.py: Warn if the encoding is not UTF-8 compatible

wberrier/meson,jeandet/meson,jeandet/meson,jpakkane/meson,becm/meson,pexip/meson,fmuellner/meson,aaronp24/meson,fmuellner/meson,wberrier/meson,thiblahute/meson,ernestask/meson,jeandet/meson,jeandet/meson,fmuellner/meson,thiblahute/meson,jeandet/meson,thiblahute/meson,pexip/meson,becm/meson,becm/meson,pexip/meson,fmuellner/meson,wberrier/meson,thiblahute/meson,MathieuDuponchelle/meson,aaronp24/meson,QuLogic/meson,thiblahute/meson,mesonbuild/meson,rhd/meson,rhd/meson,MathieuDuponchelle/meson,mesonbuild/meson,mesonbuild/meson,MathieuDuponchelle/meson,ernestask/meson,trhd/meson,QuLogic/meson,mesonbuild/meson,rhd/meson,wberrier/meson,MathieuDuponchelle/meson,aaronp24/meson,thiblahute/meson,thiblahute/meson,QuLogic/meson,trhd/meson,jpakkane/meson,pexip/meson,pexip/meson,MathieuDuponchelle/meson,becm/meson,fmuellner/meson,ernestask/meson,mesonbuild/meson,aaronp24/meson,becm/meson,trhd/meson,jpakkane/meson,trhd/meson,becm/meson,pexip/meson,thiblahute/meson,ernestask/meson,ernestask/meson,thiblahute/meson,ernestask/meson,rhd/meson,trhd/meson,fmuellner/meson,ernestask/meson,MathieuDuponchelle/meson,jpakkane/meson,rhd/meson,jeandet/meson,QuLogic/meson,jpakkane/meson,becm/meson,becm/meson,trhd/meson,wberrier/meson,MathieuDuponchelle/meson,QuLogic/meson,fmuellner/meson,ernestask/meson,fmuellner/meson,jpakkane/meson,jeandet/meson,QuLogic/meson,QuLogic/meson,mesonbuild/meson,MathieuDuponchelle/meson,trhd/meson,mesonbuild/meson,rhd/meson,aaronp24/meson,wberrier/meson,wberrier/meson,ernestask/meson,MathieuDuponchelle/meson,aaronp24/meson,aaronp24/meson,pexip/meson,jpakkane/meson,wberrier/meson,QuLogic/meson,fmuellner/meson,aaronp24/meson,trhd/meson,rhd/meson,aaronp24/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,pexip/meson,rhd/meson,jeandet/meson,mesonbuild/meson,QuLogic/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,becm/meson,trhd/meson,becm/meson,jeandet/meson