Added ability to call winapi_check from the Makefiles.

diff --git a/Makefile.in b/Makefile.in
index bba46b1..5f90d1b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -215,6 +215,8 @@
 lint:: llib-lwine.ln $(EMULINTS)
 	$(LINT) $(ALLLINTFLAGS) -L. -lwine $(EMULINTS)
 
+WINAPI_CHECK_EXTRA_FLAGS = --global
+
 @MAKE_RULES@
 
 Make.rules: Make.rules.in configure