Fix trailing whitespaces.

gdigi.h

@@ -899,7 +899,6 @@ enum {
 #define FX_LIB_LEVEL 8706      // This influences pitch shift mix, delay level,
                                // and reverb level, in proportion, as
                                // specified by FX_LIB_LEVEL_MAX1,2,3.
-                               // 
 #define FX_LIB_LEVEL_MAX1 8708
 #define FX_LIB_LEVEL_MAX2 8710
 #define FX_LIB_LEVEL_MAX3 8712

gui.c

@@ -1011,7 +1011,6 @@ static void action_open_preset_cb(GtkAction *action)
 
         gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), current_filter);
         if (x == product_id) {
-            
             gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), current_filter);
         }
 
@@ -1365,7 +1364,6 @@ void gui_create(Device *device)
     gtk_widget_show_all(window);
 
     g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(gtk_main_quit), NULL);
-
 }
 
 /**
@@ -1445,7 +1443,6 @@ gboolean unsupported_device_dialog(Device **device)
  **/
 gint select_device_dialog (GList *devices)
 {
-
     GtkWidget *dialog;
     GtkWidget *label;
     GtkWidget *combo_box;