prefs: add empty field to avoid build warning.

this addition is a trick to avoid g/gcc compile warning.
warning: empty struct has size 0 in C, size 1 in C++.

diff --git a/legacy/elementary/src/lib/elm_prefs_common.h b/legacy/elementary/src/lib/elm_prefs_common.h
index 3ebe9e2..8552fbf 100644 (file)
--- a/legacy/elementary/src/lib/elm_prefs_common.h
+++ b/legacy/elementary/src/lib/elm_prefs_common.h
@@ -32,6 +32,7 @@ EAPI Evas_Object       *elm_prefs_add(Evas_Object *parent);
 typedef struct _Elm_Prefs_Item_Spec_Void Elm_Prefs_Item_Spec_Void;
 struct _Elm_Prefs_Item_Spec_Void
 {
+   int:0;  //Trick for removing warning (warning: empty struct has size 0 in C, size 1 in C++)
 };
 
 typedef struct _Elm_Prefs_Item_Spec_Bool Elm_Prefs_Item_Spec_Bool;