Fix memory leak in lr_download_metadata()
Fix memory leak in lr_download_metadata()

The memory for fd_list and paths GSLists was not freed and
filedescriptor was not closed in case of error.

Tojaj/librepo,Tojaj/librepo,rpm-software-management/librepo,rpm-software-management/librepo,rpm-software-management/librepo,Tojaj/librepo