Do the include thing differnetly for private headers

lib/isc/unix/Makefile.in

@@ -3,7 +3,8 @@ srcdir =	@srcdir@
 VPATH =		@srcdir@
 top_srcdir =	@top_srcdir@
 
-CINCLUDES =	-I${srcdir}/include \
+CINCLUDES =	-I${srcdir}/.. \
+		-I${srcdir}/include \
 		-I${srcdir}/../pthreads/include \
 		-I${srcdir}/../include
 CDEFINES =

lib/isc/unix/socket.c

@@ -34,7 +34,7 @@
 #include <isc/condition.h>
 #include <isc/socket.h>
 
-#include "../util.h"
+#include "util.h"
 
 #ifndef _WIN32
 #define WINAPI /* we're not windows */