Apply the prefix operator to iterators.

Prefix operators are supposed to be more efficient with iterators,
so lets use them instead of postfix operators.

Change-Id: I3090e4954c5cb67db47c88e2874b1a8ac52aa2cd
Reviewed-on: https://code.wireshark.org/review/15546
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/ui/qt/protocol_hierarchy_dialog.cpp b/ui/qt/protocol_hierarchy_dialog.cpp
index bdda94b901..79bab76339 100644
--- a/ui/qt/protocol_hierarchy_dialog.cpp
+++ b/ui/qt/protocol_hierarchy_dialog.cpp
@@ -345,7 +345,7 @@ void ProtocolHierarchyDialog::on_actionCopyAsCsv_triggered()
         }
         stream << separated_value.join(",") << endl;
 
-        if (!first) iter++;
+        if (!first) ++iter;
         first = false;
     }
     wsApp->clipboard()->setText(stream.readAll());
@@ -366,7 +366,7 @@ void ProtocolHierarchyDialog::on_actionCopyAsYaml_triggered()
         foreach (QVariant v, protoHierRowData(item)) {
             stream << " - " << v.toString() << endl;
         }
-        if (!first) iter++;
+        if (!first) ++iter;
         first = false;
     }
     wsApp->clipboard()->setText(stream.readAll());