apply patch from Martin Gerhardy - more quake2 related modules compiled and misc fixes

git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@195 8a3a26a2-13c4-0310-b231-cf6edde360e5

include/igl.h

@@ -38,6 +38,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 class IGL2DWindow
 {
 public:
+	virtual ~IGL2DWindow() { }
 	// Increment the number of references to this object
 	virtual void IncRef () = 0;
 	// Decrement the reference count
@@ -49,6 +50,7 @@ public:
 class IGL3DWindow
 {
 public:
+	virtual ~IGL3DWindow() { }
   // Increment the number of references to this object
   virtual void IncRef () = 0;
   // Decrement the reference count

include/ishaders.h

@@ -55,6 +55,7 @@ to make sure they have been decref'ed ? (sounds easy, may not be that much).
 class IShader
 {
 public:
+	virtual ~IShader() { }
   // Increment the number of references to this object
   virtual void IncRef () = 0;
   // Decrement the reference count

include/isurfaceplugin.h

@@ -44,6 +44,7 @@ typedef void (* PFN_QERAPP_MAPPRINTF) ( char *text, ... );
 class IPluginTexdef
 {
 public:
+	virtual ~IPluginTexdef() { }
 	// Increment the number of references to this object
 	virtual void IncRef () = 0;
 	// Decrement the reference count

include/itoolbar.h

@@ -41,6 +41,7 @@ public:
     eRadioButton,
   };
 
+  virtual ~IToolbarButton() { }
   virtual const char* getImage() const = 0;
   virtual const char* getText() const = 0;
   virtual const char* getTooltip() const = 0;

include/iui.h

@@ -34,6 +34,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 class IWindowListener
 {
 public:
+	virtual ~IWindowListener() { }
   // Increment the number of references to this object
   virtual void IncRef () = 0;
   // Decrement the reference count
@@ -65,6 +66,7 @@ public:
 class IWindow
 {
 public:
+	virtual ~IWindow() {}
   // Increment the number of references to this object
   virtual void IncRef () = 0;
   // Decrement the reference count
@@ -107,6 +109,7 @@ public:
 class IListener
 {
 public:
+	virtual ~IListener() {}
   // Increment the number of references to this object
   virtual void IncRef () = 0;
   // Decrement the reference count
@@ -119,6 +122,7 @@ public:
 class IXYWndWrapper
 {
 public:
+	virtual ~IXYWndWrapper() {}
   virtual void SnapToGrid( int x1, int y1, vec3_t pt ) = 0;
   virtual VIEWTYPE GetViewType( void ) = 0;
 };

include/qerplugin.h

@@ -580,6 +580,7 @@ typedef unsigned long (* PFN_QERAPP_GETTICKCOUNT) ();
 class IModelCache
 {
 public:
+	virtual ~IModelCache() { }
   virtual entity_interfaces_t *GetByID(const char *id, const char* version) = 0;
   virtual void DeleteByID(const char *id, const char* version) = 0;
   virtual void RefreshAll() = 0;
@@ -590,12 +591,14 @@ typedef IModelCache* (* PFN_GETMODELCACHE)();
 class IFileTypeList
 {
 public:
+	virtual ~IFileTypeList() { }
   virtual void addType(filetype_t type) = 0;
 };
 
 class IFileTypeRegistry
 {
 public:
+	virtual ~IFileTypeRegistry() { }
   virtual void addType(const char* key, filetype_t type) = 0;
   virtual void getTypeList(const char* key, IFileTypeList* typelist) = 0;
 private: