Fix autopatch on Windows

The bug was introduced in dcc2741 when erl_first_files autopatch
was reworked.

core/deps.mk

@@ -475,7 +475,7 @@ define dep_autopatch_rebar.erl
 			false -> ok;
 			{_, Files0} ->
 				Files = [begin
-					hd(filelib:wildcard("$(call core_native_path,$(DEPS_DIR)/$1/src/**/" ++ filename:rootname(F) ++ ".*rl")))
+					hd(filelib:wildcard("$(call core_native_path,$(DEPS_DIR)/$1/src/)**/" ++ filename:rootname(F) ++ ".*rl"))
 				end || "src/" ++ F <- Files0],
 				Names = [[" ", case lists:reverse(F) of
 					"lre." ++ Elif -> lists:reverse(Elif);