--- Makefile.in.orig	Fri Dec 22 16:30:32 2000
+++ Makefile.in	Fri Dec 22 16:30:50 2000
@@ -37,7 +37,7 @@
 X11INC	= @X_CFLAGS@
 X11LIB	= @X_LIBS@ @X_PRE_LIBS@ -lXmu -lX11 @X_EXTRA_LIBS@
 
-INCS	= -I. $(NIDSINC) $(PCAPINC) $(LNETINC) $(DBINC) $(SSLINC) $(X11INC) \
+INCS	= -I. -I/usr/include $(NIDSINC) $(PCAPINC) $(LNETINC) $(DBINC) $(SSLINC) $(X11INC) \
 	  -I$(srcdir)/missing
 LIBS	= @LIBS@ -L$(srcdir) -lmissing