Removed non-existant function from extern.h

src/interfaces/ecpg/ecpglib/extern.h

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/extern.h,v 1.23 2007/03/29 12:02:24 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/extern.h,v 1.24 2007/04/27 07:55:14 meskes Exp $ */
 
 #ifndef _ECPG_LIB_EXTERN_H
 #define _ECPG_LIB_EXTERN_H
@@ -135,13 +135,6 @@ bool ECPGstore_result(const PGresult *results, int act_field,
 				 const struct statement * stmt, struct variable * var);
 bool		ECPGstore_input(const int, const bool, const struct variable *, const char **, bool *, bool);
 
-#if defined(__GNUC__) && (defined (__powerpc__) || defined(__amd64__) || defined(__x86_64__))
- /* work around a gcc/ABI bug with va_lists on ppc+amd64 */
-void		ECPGget_variable(va_list, enum ECPGttype, struct variable *, bool);
-#else
-void		ECPGget_variable(va_list *, enum ECPGttype, struct variable *, bool);
-#endif
-
 /* SQLSTATE values generated or processed by ecpglib (intentionally
  * not exported -- users should refer to the codes directly) */