Fix more path issues on Windows

plugins/cover.mk

@@ -35,9 +35,9 @@ endif
 ifdef COVER
 define cover.erl
 	CoverSetup = fun() ->
-		Dirs = ["$(CURDIR)/ebin"
-			$(foreach a,$(COVER_APPS),$(comma) "$(APPS_DIR)/$a/ebin")
-			$(foreach d,$(COVER_DEPS),$(comma) "$(DEPS_DIR)/$d/ebin")],
+		Dirs = ["$(call core_native_path,$(CURDIR)/ebin)"
+			$(foreach a,$(COVER_APPS),$(comma) "$(call core_native_path,$(APPS_DIR)/$a/ebin)")
+			$(foreach d,$(COVER_DEPS),$(comma) "$(call core_native_path,$(DEPS_DIR)/$d/ebin)")],
 		[begin
 			case filelib:is_dir(Dir) of
 				false -> false;

plugins/erlydtl.mk

@@ -42,7 +42,7 @@ define erlydtl_compile.erl
 			"" ->
 				filename:basename(F, ".dtl");
 			_ ->
-				"$(DTL_PATH)/" ++ F2 = filename:rootname(F, ".dtl"),
+				"$(call core_native_path,$(DTL_PATH))/" ++ F2 = filename:rootname(F, ".dtl"),
 				re:replace(F2, "/",  "_",  [{return, list}, global])
 		end,
 		Module = list_to_atom("$(DTL_PREFIX)" ++ string:to_lower(Module0) ++ "$(DTL_SUFFIX)"),

plugins/eunit.mk

@@ -27,7 +27,7 @@ define eunit.erl
 		ok -> ok;
 		error -> halt(2)
 	end,
-	CoverExport("$(COVER_DATA_DIR)/eunit.coverdata"),
+	CoverExport("$(call core_native_path,$(COVER_DATA_DIR))/eunit.coverdata"),
 	halt()
 endef