read-trees: refactor the unpack_trees() part

diff --git a/Makefile b/Makefile
index 15864e23bd18d1068cef6fb87dc47ba628840df7..b2332761babbf75f42dac2994cb371cfd01a9685 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -221,7 +221,7 @@ LIB_H = \
        blob.h cache.h commit.h csum-file.h delta.h \
        diff.h object.h pack.h pkt-line.h quote.h refs.h \
        run-command.h strbuf.h tag.h tree.h git-compat-util.h revision.h \
-       tree-walk.h log-tree.h dir.h path-list.h
+       tree-walk.h log-tree.h dir.h path-list.h unpack-trees.h
 
 DIFF_OBJS = \
        diff.o diff-lib.o diffcore-break.o diffcore-order.o \
@@ -236,7 +236,7 @@ LIB_OBJS = \
        server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \
        tag.o tree.o usage.o config.o environment.o ctype.o copy.o \
        fetch-clone.o revision.o pager.o tree-walk.o xdiff-interface.o \
-       alloc.o merge-file.o path-list.o $(DIFF_OBJS)
+       alloc.o merge-file.o path-list.o unpack-trees.o $(DIFF_OBJS)
 
 BUILTIN_OBJS = \
        builtin-log.o builtin-help.o builtin-count.o builtin-diff.o builtin-push.o \