[ports/sysutils/synergy] Respect PTHREAD_LIBS

[Norikatsu Shigemura]

Hi Kevin!

	I found a issue of not respect PTHREAD_LIBS.  Please commit
	following patch.

Index: Makefile
===================================================================
RCS file: /home/ncvs/ports/sysutils/synergy/Makefile,v
retrieving revision 1.10
diff -u -r1.10 Makefile
--- Makefile	18 May 2006 03:22:46 -0000	1.10
+++ Makefile	9 Dec 2006 16:42:01 -0000
@@ -16,6 +16,8 @@
 
 GNU_CONFIGURE=	yes
 USE_X_PREFIX=	yes
+CONFIGURE_ENV=	PTHREAD_CFLAGS="${PTHREAD_CFLAGS}" \
+		PTHREAD_LIBS="${PTHREAD_LIBS}"
 CONFIGURE_TARGET=	--build=${MACHINE_ARCH}-portbld-freebsd${OSREL}
 
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