Remove unnecessary inclusion of libpq into pg_regress --- overly

enthusiastic copy and paste ...

src/test/regress/GNUmakefile

@@ -6,7 +6,7 @@
 # Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/test/regress/GNUmakefile,v 1.58 2006/07/19 02:37:00 tgl Exp $
+# $PostgreSQL: pgsql/src/test/regress/GNUmakefile,v 1.59 2006/07/19 04:02:31 tgl Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -50,7 +50,7 @@ EXTRADEFS = '-DPGBINDIR="$(bindir)"' \
 all: submake-libpgport pg_regress$(X)
 
 pg_regress$(X): pg_regress.o
-	$(CC) $(CFLAGS) $^ $(libpq_pgport) $(LDFLAGS) $(LIBS) -o $@
+	$(CC) $(CFLAGS) $^ $(LDFLAGS) $(LIBS) -o $@
 
 # depend on Makefile.global to ensure that symbol changes propagate
 pg_regress.o: pg_regress.c $(top_builddir)/src/Makefile.global