--- util/filter.h.orig	Thu Jun 30 19:58:05 2005
+++ util/filter.h	Thu Apr 28 16:33:48 2016
@@ -84,7 +84,7 @@ NEOERR *filter_create_fd(const char *cmd, int *fdin, i
  *         pid -> the pid of the sub process
  * Returns: NERR_SYSTEM, NERR_IO
  */
-NEOERR *filter_create_fp(const char *cmd, FILE **in, FILE **out, FILE **err, 
+NEOERR *filter_create_fp(const char *cmd, FILE **in, FILE **out, FILE **ferr, 
                          pid_t *pid);
 
 __END_DECLS
