backends: Simplify loop getting rpaths for bundled libs
backends: Simplify loop getting rpaths for bundled libs

No functionality changes

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