Remove unused variable, remember to capitalise variables

src/geef_commit.erl

@@ -8,7 +8,7 @@ tree_id(#object{type=commit,handle=Handle}) ->
     Oid = geef:commit_tree_id(Handle),
     #oid{oid=Oid}.
 
-tree(Obj = #object{type=commit,handle=Handle}) ->
+tree(#object{type=commit,handle=Handle}) ->
     case geef:commit_tree(Handle) of
 	{ok, Type, Handle} ->
 	    {ok, #object{type=Type, handle=Handle}};

src/geef_tree.erl

@@ -12,8 +12,8 @@ bypath(#object{type=tree,handle=Handle}, Path) ->
     case geef:tree_bypath(Handle, Path) of
 	{ok, Mode, Type, Id, Name} ->
 	    {ok, #tree_entry{mode=Mode, type=Type, id=geef_oid:parse(Id), name=Name}};
-	other ->
-	    other
+	Other ->
+	    Other
     end.
 
 -ifdef(TEST).