librbd/ImageCtx.cc: prefer prefix ++operator for iterators

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/librbd/ImageCtx.cc b/src/librbd/ImageCtx.cc
index 983aae251576a835e49ffcce3e71f1c87780cbc3..7342e2b4bb9a73dda5a3aefc92e92f5a4cb448ef 100644 (file)
--- a/src/librbd/ImageCtx.cc
+++ b/src/librbd/ImageCtx.cc
@@ -255,7 +255,7 @@ namespace librbd {
   {
     map<string, SnapInfo>::const_iterator it;
 
-    for (it = snaps_by_name.begin(); it != snaps_by_name.end(); it++) {
+    for (it = snaps_by_name.begin(); it != snaps_by_name.end(); ++it) {
       if (it->second.id == in_snap_id) {
        *out_snap_name = it->first;
        return 0;
@@ -268,7 +268,7 @@ namespace librbd {
   {
     map<string, SnapInfo>::iterator it;
 
-    for (it = snaps_by_name.begin(); it != snaps_by_name.end(); it++) {
+    for (it = snaps_by_name.begin(); it != snaps_by_name.end(); ++it) {
       if (it->second.id == in_snap_id) {
        *out_pspec = it->second.parent.spec;
        return 0;