(endl): Fix bug in last change.

(ends): Make same change as for endl.

From-SVN: r34128

libio/iostream.cc

@@ -957,13 +957,14 @@ int istream::_skip_ws()
 
 ostream& ends(ostream& outs)
 {
-    outs.put('\0');
+    if (outs.opfx())
+	outs.put('\0');
     return outs;
 }
 
 ostream& endl(ostream& outs)
 {
-    if (opfx)
+    if (outs.opfx())
         flush(outs.put('\n'));
     return outs;
 }