make: Fix deps of rmake tests and host files

The rmake tests should depend on the target libraries (for linking), not just
the host libraries (for running). The host file dependencies are also correct
now because HLIBRUSTC_DEFAULT doesn't actually exist.

Author: alexcrichton

mk/host.mk

@@ -25,14 +25,14 @@ define CP_HOST_STAGE_N
 
 $$(HBIN$(2)_H_$(4))/rustc$$(X_$(4)): \
 	$$(TBIN$(1)_T_$(4)_H_$(3))/rustc$$(X_$(4)) \
-	$$(HLIBRUSTC_DEFAULT$(2)_H_$(4)) \
+	$$(HLIB$(2)_H_$(4))/$(CFG_LIBRUSTC_$(4)) \
 	| $$(HBIN$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
 $$(HLIB$(2)_H_$(4))/$(CFG_LIBRUSTC_$(4)): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_LIBRUSTC_$(4)) \
-	$$(HLIBSYNTAX_DEFAULT$(2)_H_$(4)) \
+	$$(HLIB$(2)_H_$(4))/$(CFG_LIBSYNTAX_$(4)) \
 	| $$(HLIB$(2)_H_$(4))/
 
 	@$$(call E, cp: $$@)