:bug: Fix to avoid absolute path to be converted to relative.
:bug: Fix to avoid absolute path to be converted to relative.

Added check for absolute path.

donabrams/sass-lint,DanPurdy/sass-lint,sktt/sass-lint,flacerdk/sass-lint,sasstools/sass-lint,srowhani/sass-lint,sasstools/sass-lint,benthemonkey/sass-lint,srowhani/sass-lint,ngryman/sass-lint,bgriffith/sass-lint,Dru89/sass-lint