[PATCH] Use void_type_node, not NULL_TREE for type in COND_EXPR

[Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>]

As everyone else does and as specified in tree.def.

Will commit as obvious.

Richard.

2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>

	* c-typeck.c (c_finish_if_stmt): Use void_type_node as type
	for COND_EXPR.


Index: c-typeck.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/c-typeck.c,v
retrieving revision 1.447
diff -c -3 -p -r1.447 c-typeck.c
*** c-typeck.c	2 Jun 2005 20:08:56 -0000	1.447
--- c-typeck.c	3 Jun 2005 15:33:10 -0000
*************** c_finish_if_stmt (location_t if_locus, t
*** 6923,6929 ****
  	}
      }
  
!   stmt = build3 (COND_EXPR, NULL_TREE, cond, then_block, else_block);
    SET_EXPR_LOCATION (stmt, if_locus);
    add_stmt (stmt);
  }
--- 6923,6929 ----
  	}
      }
  
!   stmt = build3 (COND_EXPR, void_type_node, cond, then_block, else_block);
    SET_EXPR_LOCATION (stmt, if_locus);
    add_stmt (stmt);
  }