Fix a few warnings that have crept into CVS HEAD.

src/bin/scripts/common.h

@@ -4,7 +4,7 @@
  *
  *	Copyright (c) 2003-2008, PostgreSQL Global Development Group
  *
- *	$PostgreSQL: pgsql/src/bin/scripts/common.h,v 1.19 2008/01/01 19:45:56 momjian Exp $
+ *	$PostgreSQL: pgsql/src/bin/scripts/common.h,v 1.20 2008/05/14 15:16:27 momjian Exp $
  */
 #ifndef COMMON_H
 #define COMMON_H
@@ -42,4 +42,6 @@ extern bool yesno_prompt(const char *question);
 
 extern void setup_cancel_handler(void);
 
+extern char *pg_strdup(const char *string);
+
 #endif   /* COMMON_H */

src/interfaces/ecpg/ecpglib/prepare.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/prepare.c,v 1.27 2008/05/12 16:29:04 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/prepare.c,v 1.28 2008/05/14 15:16:27 momjian Exp $ */
 
 #define POSTGRES_ECPG_INTERNAL
 #include "postgres_fe.h"
@@ -117,7 +117,6 @@ ECPGprepare(int lineno, const char *connection_name, const int questionmarks, co
 	struct statement *stmt;
 	struct prepared_statement *this,
 			   *prev;
-	struct sqlca_t *sqlca = ECPGget_sqlca();
 	PGresult   *query;
 
 	con = ecpg_get_connection(connection_name);