ARI fixes: Avoid sprintf function use rule.

* charset.c (convert_between_encodings): Use xsnprintf.
	* cli-out.c (cli_field_int): Likewise.
	* cp-namespace.c (cp_lookup_nested_symbol): Likewise.
	* expprint.c (op_name_standard): Likewise.
	* frv-tdep.c (set_variant_num_gprs): Likewise.
	(set_variant_num_fprs): Likewise.
	* m68hc11-tdep.c (m68hc11_initialize_register_info): Likewise.
	* nto-tdep.c (nto_find_and_open_solib): Likewise.
	(nto_init_solib_absolute_prefix): Likewise.
	* source.c (init_source_path): Likewise.
	(print_source_lines_base): Likewise.
	* valprint.c (print_wchar): Likewise.
	* mi/mi-out.c (mi_field_int): Likewise.
	windows-nat.c (windows_pid_to_exec_file): Likewise.
	(windows_create_inferior): Likewise.
	(_initialize_check_for_gdb_ini): Likewise.

gdb/cp-namespace.c

@@ -688,6 +688,7 @@ cp_lookup_nested_symbol (struct type *parent_type,
 	   just like members of namespaces; in particular,
 	   lookup_symbol_namespace works when looking them up.  */
 
+	int size;
 	const char *parent_name = type_name_no_tag_or_error (saved_parent_type);
 	struct symbol *sym
 	  = cp_lookup_symbol_in_namespace (parent_name, nested_name,
@@ -703,9 +704,9 @@ cp_lookup_nested_symbol (struct type *parent_type,
 	   namespace seach is is already not C++ compliant and more
 	   assumptions could make it too magic.  */
 
-	concatenated_name = alloca (strlen (parent_name) + 2
-				    + strlen (nested_name) + 1);
-	sprintf (concatenated_name, "%s::%s",
+	size = strlen (parent_name) + 2 + strlen (nested_name) + 1;
+	concatenated_name = alloca (size);
+	xsnprintf (concatenated_name, size, "%s::%s",
 		 parent_name, nested_name);
 	sym = lookup_static_symbol_aux (concatenated_name, VAR_DOMAIN);
 	if (sym != NULL)