rgw: make AWS_AUTHv4_IO const-friendly and const-correct.

Signed-off-by: Radoslaw Zarzynski <rzarzynski@mirantis.com>

diff --git a/src/rgw/rgw_client_io.h b/src/rgw/rgw_client_io.h
index 474a1695067cc9584a219564ecbeb46509d4d641..af8dffa9ec9473d2f5e03f11f339b514cb92b5cb 100644 (file)
--- a/src/rgw/rgw_client_io.h
+++ b/src/rgw/rgw_client_io.h
@@ -350,7 +350,7 @@ static inline rgw::io::Accounter* ACCOUNTING_IO(struct req_state* s) {
   return ptr;
 }
 
-static inline RGWRestfulIO* AWS_AUTHv4_IO(struct req_state* s) {
+static inline RGWRestfulIO* AWS_AUTHv4_IO(const req_state* const s) {
   assert(dynamic_cast<RGWRestfulIO*>(s->cio) != nullptr);
 
   return static_cast<RGWRestfulIO*>(s->cio);