Implemented reverse conflicts for pkgs in pkgdb and transaction.

lib/Makefile

@@ -36,8 +36,9 @@ OBJS += package_unpack.o package_register.o package_script.o verifysig.o
 OBJS += package_msg.o pkgdb_conversion.o transaction_shlibs.o
 OBJS += transaction_commit.o transaction_package_replace.o
 OBJS += transaction_dictionary.o transaction_ops.o transaction_store.o
-OBJS += transaction_revdeps.o pubkey2fp.o package_fulldeptree.o
-OBJS += download.o initend.o pkgdb.o package_conflicts.o
+OBJS += transaction_revdeps.o transaction_conflicts.o
+OBJS += pubkey2fp.o package_fulldeptree.o
+OBJS += download.o initend.o pkgdb.o
 OBJS += plist.o plist_find.o plist_match.o archive.o
 OBJS += plist_remove.o plist_fetch.o util.o util_hash.o 
 OBJS += repo.o repo_pkgdeps.o repo_sync.o