Correct tree corruption problems in fast-import.
Correct tree corruption problems in fast-import.

The new tree delta implementation caused blob SHA1s to be used
instead of a tree SHA1 when a tree was written out.  This really
only appeared to happen when converting an existing file to a tree,
but may have been possible in some other situations.

Signed-off-by: Shawn O. Pearce <f01032651c12a22b2103346ba96b3b6b231f9d3c@spearce.org>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git