varpool.c (varpool_extra_name_alias): Return NULL, not false.

2011-06-03  Jack Howarth <howarth@bromo.med.uc.edu>

	 * varpool.c (varpool_extra_name_alias): Return NULL, not false.

From-SVN: r174612

gcc/ChangeLog

+2011-06-03  Jack Howarth <howarth@bromo.med.uc.edu>
+
+	* varpool.c (varpool_extra_name_alias): Return NULL, not false.
+
 2011-06-03  Richard Henderson  <rth@redhat.com>
 	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 

gcc/varpool.c

@@ -676,7 +676,7 @@ varpool_extra_name_alias (tree alias, tree decl)
 
 #ifndef ASM_OUTPUT_DEF
   /* If aliases aren't supported by the assembler, fail.  */
-  return false;
+  return NULL;
 #endif
 
   gcc_assert (TREE_CODE (decl) == VAR_DECL);