Fix whitespace processing.
Fix whitespace processing.

svn path=/trunk/hubbub/; revision=4584

Achal-Aggarwal/hibbub,prepare/netsurf_libhubbub,Achal-Aggarwal/hibbub,Achal-Aggarwal/hibbub,Achal-Aggarwal/hibbub,adamwight/wmf-parsoid-libhubbub,servo/libhubbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,prepare/netsurf_libhubbub,servo/libhubbub,prepare/netsurf_libhubbub,servo/libhubbub,prepare/netsurf_libhubbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,adamwight/wmf-parsoid-libhubbub,servo/libhubbub,servo/libhubbub,adamwight/wmf-parsoid-libhubbub