Set req_name to None at the top of initializer (#1043763)
Set req_name to None at the top of initializer (#1043763)

Related: rhbz#1043763

To avoid a has no attribute req_name error.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

vpodzime/blivet,rhinstaller/blivet,dwlehman/blivet,jkonecny12/blivet,vojtechtrefny/blivet,AdamWill/blivet,rvykydal/blivet,vpodzime/blivet,dwlehman/blivet,rvykydal/blivet,rhinstaller/blivet,AdamWill/blivet,vojtechtrefny/blivet,jkonecny12/blivet