Use local path to source in PKGBUILD.
Use local path to source in PKGBUILD.

No network during build on OBS.

pseudomuto/protoc-gen-doc,DengKe1994/protoc-gen-doc,estan/protoc-gen-doc,estan/protoc-gen-doc,DengKe1994/protoc-gen-doc,DengKe1994/protoc-gen-doc,DengKe1994/protoc-gen-doc,estan/protoc-gen-doc,dr-joy/protoc-gen-doc,mli/protoc-gen-doc,mli/protoc-gen-doc,mli/protoc-gen-doc,dr-joy/protoc-gen-doc,pseudomuto/protoc-gen-doc