added mssing source files

ir/be/mips/Makefile.in

@@ -21,7 +21,7 @@ arch = mips
 SOURCES = Makefile.in $(arch)_new_nodes.c $(arch)_new_nodes.h gen_$(arch)_new_nodes.c.inl gen_$(arch)_new_nodes.h \
 		gen_$(arch)_emitter.c gen_$(arch)_emitter.h $(arch)_emitter.c $(arch)_emitter.h \
 		bearch_$(arch).c gen_$(arch)_regalloc_if_t.h gen_$(arch)_regalloc_if.h gen_$(arch)_regalloc_if.c \
-		$(arch)_transform.c $(arch)_transform.h $(arch)_gen_decls.c $(arch)_gen_decls.h \
+		$(arch)_transform.c $(arch)_transform.h $(arch)_gen_decls.c $(arch)_gen_decls.h $(arch)_scheduler.c $(arch)_scheduler.h \
 		$(arch)_map_regs.c $(arch)_map_regs.h
 include $(topdir)/MakeRules