Fix compilation.

	* cp-tree.h (get_template_parms_at_level): Change unsigned parm
	into int.
	* pt.c (get_template_parms_at_level): Adjust.

From-SVN: r157743

gcc/cp/ChangeLog

+2010-03-26  Dodji Seketeli  <dodji@redhat.com>
+
+	* cp-tree.h (get_template_parms_at_level): Change unsigned parm
+	into int.
+	* pt.c (get_template_parms_at_level): Adjust.
+
 2010-03-25  Dodji Seketeli  <dodji@redhat.com>
 
 	PR c++/43206

gcc/cp/cp-tree.h

@@ -4973,7 +4973,7 @@ extern void init_template_processing		(void);
 bool template_template_parameter_p		(const_tree);
 extern bool primary_template_instantiation_p    (const_tree);
 extern tree get_primary_template_innermost_parameters	(const_tree);
-extern tree get_template_parms_at_level (tree, unsigned);
+extern tree get_template_parms_at_level (tree, int);
 extern tree get_template_innermost_arguments	(const_tree);
 extern tree get_template_argument_pack_elems	(const_tree);
 extern tree get_function_template_decl		(const_tree);

gcc/cp/pt.c

@@ -2843,7 +2843,7 @@ get_primary_template_innermost_parameters (const_tree t)
    of template parameters PARMS.  */
 
 tree
-get_template_parms_at_level (tree parms, unsigned level)
+get_template_parms_at_level (tree parms, int level)
 {
   tree p;
   if (!parms