librbd: fix warning

librbd/internal.cc: In function 'int librbd::ictx_refresh(librbd::ImageCtx*)':
librbd/internal.cc:1334:59: warning: enumeral and non-enumeral type in conditional expression [enabled by default]

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index e767c324f63d90d1bc8973b9bf60cfb5a3973e12..fb96ce8ad8d16bf198d729794029a9dcd69abb9d 100644 (file)
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -1331,7 +1331,7 @@ namespace librbd {
        for (size_t i = 0; i < new_snapc.snaps.size(); ++i) {
          uint64_t features = ictx->old_format ? 0 : snap_features[i];
          uint8_t protection_status = ictx->old_format ?
-           RBD_PROTECTION_STATUS_UNPROTECTED : snap_protection[i];
+           (uint8_t)RBD_PROTECTION_STATUS_UNPROTECTED : snap_protection[i];
          cls_client::parent_info parent;
          if (!ictx->old_format)
            parent = snap_parents[i];