Fix memory errors in third_party/ibus-chewing/files/src.

src/IBusChewingEngine.gob

 requires 2.0.0
 
 %alltop{
 /*
  * Copyright © 2009  Red Hat, Inc. All rights reserved.
  * Copyright © 2009  Ding-Yi Chen <dchen at redhat.com>
  *
  * This file is part of the ibus-chewing Project.
  *
  * This program is free software; you can redistribute it and/or
@@ skipping 257 matching lines @@
 #else
         ibus_engine_class->process_key_event = ibus_chewing_engine_process_key_event_1_2;
 #endif /* IBUS_1_1 */
     }
 
     private  void load_setting(self){
 #define BUFFER_SIZE_LOCAL 200
         G_DEBUG_MSG(3,"[I3] load_setting()");
         int i;
         gchar buf[BUFFER_SIZE_LOCAL];
-        GValue gValue={0};
 
         for (i=0; propSpecs[i].valueType!=G_TYPE_INVALID;i++){
+            GValue gValue={0};
+
             G_DEBUG_MSG(4,"[I4]  load_setting(), i=%d",i);
             if (ibus_config_get_value(self->config, "engine/Chewing",propSpecs[i].key, &gValue)){
                 switch(propSpecs[i].valueType){
                     case G_TYPE_BOOLEAN:
                         buf[0]=(g_value_get_boolean(&gValue))? '1' : '0';
                         buf[1]='\0';
                         break;
                     case G_TYPE_UINT:
                         g_snprintf(buf,BUFFER_SIZE_LOCAL,"%u",
                                 g_value_get_uint(&gValue));
@@ skipping 18 matching lines @@
                         );
                 if (propSpecs[i].defaultValue){
                     g_strlcpy(buf,propSpecs[i].defaultValue, BUFFER_SIZE_LOCAL);
                 }else{
                     continue;
                 }
             }
             /* Add property to dialog */
             maker_dialog_add_property(MAKER_DIALOG(self->setting_dialog),&propSpecs[i],buf,self);
             maker_dialog_apply_widget_value(MAKER_DIALOG(self->setting_dialog),propSpecs[i].key);
-            g_value_unset(&gValue);
+            if (G_IS_VALUE(&gValue)) {
+                g_value_unset(&gValue);
+            }
         }
 
         for (i=0; page_labels[i]!=NULL;i++){
             maker_dialog_align_labels(MAKER_DIALOG(self->setting_dialog),page_labels[i],1.0f, 0.5f);
         }
         gtk_widget_hide(self->setting_dialog);
 #undef BUFFER_SIZE_LOCAL
     }
 
     protected void set_lookup_table_label(self,const gchar *labels){
@@ skipping 622 matching lines @@
         IBusProperty *prop=self_get_iBusProperty(self, prop_name);
         ibus_property_set_visible(prop,FALSE);
         ibus_engine_update_property(engine,prop);
     }
 }
 
 %{
 #include "IBusChewingEngine-keys.c"
 %}