services/tests: Compile with -D__WINESRC__.

programs/services/tests/Makefile.in

@@ -1,6 +1,5 @@
 TESTDLL   = services.exe
 IMPORTS   = advapi32
-EXTRADEFS = -U__WINESRC__ -DWINE_STRICT_PROTOTYPES -DWINE_NO_NAMELESS_EXTENSION -DWIDL_C_INLINE_WRAPPERS
 
 C_SRCS = \
 	service.c

programs/services/tests/service.c

@@ -16,7 +16,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include <windows.h>
+#include <windef.h>
+#include <winsvc.h>
 #include <stdio.h>
 
 #include "wine/test.h"