ams: globally prefer R_RETURN to return for ams::Result

libraries/libstratosphere/source/settings/impl/settings_region_impl.cpp

@@ -21,7 +21,7 @@ namespace ams::settings::impl {
     Result GetRegionCode(s32 *out) {
         #if defined(ATMOSPHERE_OS_HORIZON)
         static_assert(sizeof(*out) == sizeof(::SetRegion));
-        return ::setGetRegionCode(reinterpret_cast<::SetRegion *>(out));
+        R_RETURN(::setGetRegionCode(reinterpret_cast<::SetRegion *>(out)));
         #else
         AMS_UNUSED(out);
         AMS_ABORT("TODO");