Update non-ASCII comments to use /* ... */ comment style.
Update non-ASCII comments to use /* ... */ comment style.

It is said that some Microsoft compilers on Japanese Windows incorrectly
interprets some UTF-8 sequences as newlines, thereby sometimes breaking
comments marked by //.

mcanthony/libaddressinput,dlyongemallo/libaddressinput,parastoog/my-libaddressinput,googlei18n/libaddressinput,parastoog/my-libaddressinput,mcanthony/libaddressinput,mcanthony/libaddressinput,googlei18n/libaddressinput,roubert/libaddressinput,parastoog/my-libaddressinput,google/libaddressinput,roubert/libaddressinput,dlyongemallo/libaddressinput,google/libaddressinput,roubert/libaddressinput,google/libaddressinput,dlyongemallo/libaddressinput,googlei18n/libaddressinput