(substring_both): Add missing address operator.

src/ChangeLog

@@ -1,3 +1,7 @@
+2006-11-24  Juanma Barranquero  <lekktu@gmail.com>
+
+	* fns.c (substring_both): Add missing address operator.
+
 2006-11-24  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* fns.c: Use AREF/ASIZE macros.

src/fns.c

@@ -1397,7 +1397,7 @@ substring_both (string, from, from_byte, to, to_byte)
 			    string, make_number (0), res, Qnil);
     }
   else
-    res = Fvector (to - from, AREF (string, from));
+    res = Fvector (to - from, &AREF (string, from));
 
   return res;
 }