test/filestore/workload_generator.cc: prefer prefix ++operator for iterators

Prefer prefix ++operator for iterator. Move the iterator declaration into
the for-loop header since the iterator isn't used outside the loop.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/src/test/filestore/workload_generator.cc b/src/test/filestore/workload_generator.cc
index 5d7b8139da4..496379d7ad1 100644
--- a/src/test/filestore/workload_generator.cc
+++ b/src/test/filestore/workload_generator.cc
@@ -349,8 +349,7 @@ void WorkloadGenerator::do_destroy_collection(ObjectStore::Transaction *t,
   dout(2) << __func__ << " coll " << entry->m_coll
       << " (" << ls.size() << " objects)" << dendl;
 
-  vector<hobject_t>::iterator it;
-  for (it = ls.begin(); it < ls.end(); it++) {
+  for (vector<hobject_t>::iterator it = ls.begin(); it < ls.end(); ++it) {
     t->remove(entry->m_coll, *it);
   }