edoc_layout_chunks: Add source file to the warning on skipped tag
edoc_layout_chunks: Add source file to the warning on skipped tag

Before this patch:

    edoc: warning: 'blockquote' is not allowed - skipping tag, extracting content

After:

    telemetry_poller.erl: warning: 'blockquote' is not allowed - skipping tag, extracting content

potatosalad/otp,potatosalad/otp,emacsmirror/erlang,potatosalad/otp,g-andrade/otp,potatosalad/otp,mikpe/otp,vinoski/otp,g-andrade/otp,rlipscombe/otp,bjorng/otp,erlang/otp,dumbbell/otp,vinoski/otp,mikpe/otp,isvilen/otp,dumbbell/otp,vinoski/otp,bjorng/otp,isvilen/otp,mikpe/otp,emacsmirror/erlang,getong/otp,erlang/otp,isvilen/otp,emacsmirror/erlang,jj1bdx/otp,erlang/otp,jj1bdx/otp,erlang/otp,potatosalad/otp,emacsmirror/erlang,isvilen/otp,getong/otp,vinoski/otp,g-andrade/otp,jj1bdx/otp,vinoski/otp,erlang/otp,potatosalad/otp,potatosalad/otp,emacsmirror/erlang,erlang/otp,getong/otp,rlipscombe/otp,isvilen/otp,emacsmirror/erlang,g-andrade/otp,mikpe/otp,dgud/otp,g-andrade/otp,vinoski/otp,getong/otp,rlipscombe/otp,mikpe/otp,bjorng/otp,bjorng/otp,bjorng/otp,rlipscombe/otp,getong/otp,dumbbell/otp,isvilen/otp,jj1bdx/otp,erlang/otp,getong/otp,dgud/otp,jj1bdx/otp,dgud/otp,mikpe/otp,dgud/otp,mikpe/otp,emacsmirror/erlang,dumbbell/otp,g-andrade/otp,getong/otp,rlipscombe/otp,rlipscombe/otp,dgud/otp,erlang/otp,dgud/otp,rlipscombe/otp,emacsmirror/erlang,jj1bdx/otp,jj1bdx/otp,mikpe/otp,getong/otp,dumbbell/otp,vinoski/otp,vinoski/otp,dgud/otp,vinoski/otp,emacsmirror/erlang,jj1bdx/otp,dumbbell/otp,g-andrade/otp,dgud/otp,getong/otp,bjorng/otp,isvilen/otp,getong/otp,emacsmirror/erlang,rlipscombe/otp,jj1bdx/otp,jj1bdx/otp,dumbbell/otp,g-andrade/otp,erlang/otp,dgud/otp,g-andrade/otp,erlang/otp,isvilen/otp,g-andrade/otp,isvilen/otp,dgud/otp,vinoski/otp,dumbbell/otp,potatosalad/otp,rlipscombe/otp,bjorng/otp,mikpe/otp,bjorng/otp,bjorng/otp,dumbbell/otp,potatosalad/otp,mikpe/otp,isvilen/otp,bjorng/otp,potatosalad/otp,rlipscombe/otp,dumbbell/otp