Initialize Qt info_data_t structure in constructor.

GTK and TShark should already have structure initialized to 0 because they are global variables.

Change-Id: I43a38c58f32967d201ddf78e450b2483f28f8bd6
Reviewed-on: https://code.wireshark.org/review/12847
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>

tshark.c

@@ -2564,9 +2564,6 @@ capture(void)
   fflush(stderr);
   g_string_free(str, TRUE);
 
-  /* initialize the counts hash with null */
-  global_info_data.counts.counts_hash = NULL;
-
   ret = sync_pipe_start(&global_capture_opts, &global_capture_session, &global_info_data, NULL);
 
   if (!ret)

ui/gtk/main.c

@@ -3181,11 +3181,6 @@ main(int argc, char *argv[])
     /* the window can be sized only, if it's not already shown, so do it now! */
     main_load_window_geometry(top_level);
 
-#ifdef HAVE_LIBPCAP
-    /* initialize the packet counters */
-    global_info_data.counts.counts_hash = NULL;
-#endif
-
     g_timeout_add(info_update_freq, resolv_update_cb, NULL);
 
     /* If we were given the name of a capture file, read it in now;

ui/qt/main_window.cpp

@@ -226,6 +226,9 @@ MainWindow::MainWindow(QWidget *parent) :
     freeze_focus_(NULL),
     capture_stopping_(false),
     capture_filter_valid_(false),
+#ifdef HAVE_LIBPCAP
+    info_data_(),
+#endif
 #ifdef _WIN32
     pipe_timer_(NULL)
 #else
@@ -612,11 +615,6 @@ MainWindow::MainWindow(QWidget *parent) :
     plugin_if_register_gui_cb(PLUGIN_IF_PREFERENCE_SAVE, plugin_if_mainwindow_preference);
     plugin_if_register_gui_cb(PLUGIN_IF_GOTO_FRAME, plugin_if_mainwindow_gotoframe);
 
-#ifdef HAVE_LIBPCAP
-    /* Initialize packet counter */
-    info_data_.counts.counts_hash = NULL;
-#endif
-
     main_ui_->mainStack->setCurrentWidget(main_welcome_);
 }