Properly convert DTL files path on Windows/MSYS2

plugins/erlydtl.mk

@@ -56,6 +56,7 @@ endef
 
 ebin/$(PROJECT).app:: $(DTL_FILES) | ebin/
 	$(if $(strip $?),\
-		$(dtl_verbose) $(call erlang,$(call erlydtl_compile.erl,$?),-pa ebin/ $(DEPS_DIR)/erlydtl/ebin/))
+		$(dtl_verbose) $(call erlang,$(call erlydtl_compile.erl,$(call core_native_path,$?)),\
+			-pa ebin/ $(DEPS_DIR)/erlydtl/ebin/))
 
 endif