Update ecpg regression tests to plpgsql installed by default.

src/interfaces/ecpg/test/Makefile

-# $PostgreSQL: pgsql/src/interfaces/ecpg/test/Makefile,v 1.77 2009/01/15 09:30:20 petere Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/test/Makefile,v 1.78 2009/12/19 02:38:51 alvherre Exp $
 
 subdir = src/interfaces/ecpg/test
 top_builddir = ../../../..
@@ -83,11 +83,11 @@ endif
 
 
 check: all
-	./pg_regress  --dbname=regress1,connectdb --top-builddir=$(top_builddir) --temp-install=./tmp_check --multibyte=$(MULTIBYTE) --load-language=plpgsql $(NOLOCALE) $(THREAD) --schedule=$(srcdir)/ecpg_schedule --create-role=connectuser,connectdb
+	./pg_regress  --dbname=regress1,connectdb --top-builddir=$(top_builddir) --temp-install=./tmp_check --multibyte=$(MULTIBYTE) $(NOLOCALE) $(THREAD) --schedule=$(srcdir)/ecpg_schedule --create-role=connectuser,connectdb
 
 # the same options, but with --listen-on-tcp
 checktcp: all
-	./pg_regress  --dbname=regress1,connectdb --top-builddir=$(top_builddir) --temp-install=./tmp_check --multibyte=$(MULTIBYTE) --load-language=plpgsql $(NOLOCALE) $(THREAD) --schedule=$(srcdir)/ecpg_schedule_tcp --create-role=connectuser,connectdb --host=localhost
+	./pg_regress  --dbname=regress1,connectdb --top-builddir=$(top_builddir) --temp-install=./tmp_check --multibyte=$(MULTIBYTE) $(NOLOCALE) $(THREAD) --schedule=$(srcdir)/ecpg_schedule_tcp --create-role=connectuser,connectdb --host=localhost
 
 installcheck: all
-	./pg_regress  --psqldir=$(PSQLDIR) --dbname=regress1,connectdb --top-builddir=$(top_builddir) --multibyte=$(MULTIBYTE) --load-language=plpgsql $(NOLOCALE) $(THREAD) --schedule=$(srcdir)/ecpg_schedule --create-role=connectuser,connectdb
+	./pg_regress  --psqldir=$(PSQLDIR) --dbname=regress1,connectdb --top-builddir=$(top_builddir) --multibyte=$(MULTIBYTE) $(NOLOCALE) $(THREAD) --schedule=$(srcdir)/ecpg_schedule --create-role=connectuser,connectdb