[Patch] Remove warning in dbsym.c

[Ben Elliston]

The following patch eliminates a warning from GCC about `ret' being
possibly unused.  The warning is correct.

2000-11-14  Ben Elliston  <bje@redhat.com>

	* dbsym.c (dbisempty): Initialise local variable to allay
	compiler warnings.


*** dbsym.c	2000/04/20 00:38:38	1.31
--- dbsym.c	2000/11/13 14:28:17
***************
*** 413,419 ****
  	DB      *db_exclude = pars->db_exclude;
  	DBT     data;
  	DBT     key;
! 	int     ret;
  	int     flag;
  	int     cou;
  	int     len;
--- 413,419 ----
  	DB      *db_exclude = pars->db_exclude;
  	DBT     data;
  	DBT     key;
! 	int     ret = 0;
  	int     flag;
  	int     cou;
  	int     len;