Add new PGC_S_DATABASE_USER enum value to several places missed by my patch

last week.

Per note and patch from Jeff Davis.

src/backend/utils/misc/guc.c

@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.520 2009/10/03 18:04:57 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.521 2009/10/13 14:18:40 alvherre Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -460,6 +460,7 @@ const char *const GucSource_Names[] =
 	 /* PGC_S_ARGV */ "command line",
 	 /* PGC_S_DATABASE */ "database",
 	 /* PGC_S_USER */ "user",
+	 /* PGC_S_DATABASE_USER */ "database user",
 	 /* PGC_S_CLIENT */ "client",
 	 /* PGC_S_OVERRIDE */ "override",
 	 /* PGC_S_INTERACTIVE */ "interactive",
@@ -4556,7 +4557,8 @@ set_config_option(const char *name, const char *value,
 		 */
 		elevel = IsUnderPostmaster ? DEBUG3 : LOG;
 	}
-	else if (source == PGC_S_DATABASE || source == PGC_S_USER)
+	else if (source == PGC_S_DATABASE || source == PGC_S_USER ||
+			 source == PGC_S_DATABASE_USER)
 		elevel = WARNING;
 	else
 		elevel = ERROR;
@@ -5762,6 +5764,7 @@ define_custom_variable(struct config_generic * variable)
 			break;
 		case PGC_S_DATABASE:
 		case PGC_S_USER:
+		case PGC_S_DATABASE_USER:
 		case PGC_S_CLIENT:
 		case PGC_S_SESSION:
 		default:

src/include/utils/guc.h

@@ -7,7 +7,7 @@
  * Copyright (c) 2000-2009, PostgreSQL Global Development Group
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
- * $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.107 2009/10/07 22:14:26 alvherre Exp $
+ * $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.108 2009/10/13 14:18:40 alvherre Exp $
  *--------------------------------------------------------------------
  */
 #ifndef GUC_H
@@ -77,6 +77,8 @@ typedef enum
  * as the actual source of any value).	This is an interactive case, but
  * it needs its own source value because some assign hooks need to make
  * different validity checks in this case.
+ *
+ * NB: see GucSource_Names in guc.c if you change this.
  */
 typedef enum
 {