Clang compatibility improved

x86_64-w64-windows-gnu platform should be detected as Windows, not Linux

Makefile

@@ -54,15 +54,15 @@ ifneq (, $(findstring darwin, $(SYS)))
 	else
 		include Makefile.osx
 	endif
+else ifneq (, $(findstring mingw, $(SYS))$(findstring windows-gnu, $(SYS))$(findstring cygwin, $(SYS)))
+	DAEMON_SRC += Win32/DaemonWin32.cpp Win32/Win32App.cpp Win32/Win32Service.cpp Win32/Win32NetState.cpp
+	include Makefile.mingw
 else ifneq (, $(findstring linux, $(SYS))$(findstring gnu, $(SYS)))
 	DAEMON_SRC += $(DAEMON_SRC_DIR)/UnixDaemon.cpp
 	include Makefile.linux
 else ifneq (, $(findstring freebsd, $(SYS))$(findstring openbsd, $(SYS)))
 	DAEMON_SRC += $(DAEMON_SRC_DIR)/UnixDaemon.cpp
 	include Makefile.bsd
-else ifneq (, $(findstring mingw, $(SYS))$(findstring windows-gnu, $(SYS))$(findstring cygwin, $(SYS)))
-	DAEMON_SRC += Win32/DaemonWin32.cpp Win32/Win32App.cpp Win32/Win32Service.cpp Win32/Win32NetState.cpp
-	include Makefile.mingw
 else # not supported
 	$(error Not supported platform)
 endif