ensure libs rebuilt when source changes

Author: WinterMute

libctru/Makefile

@@ -95,7 +95,7 @@ export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
 			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
 			-I.
 
-.PHONY: clean all
+.PHONY: clean all lib/libctru.a lib/libctrud.a
 
 #---------------------------------------------------------------------------------
 all: lib/libctru.a lib/libctrud.a