fix OpenGL canvas windows build

Change-Id: Ic6ed9c69003fa79a60310dc0b010ffc0ca868791

canvas/Library_oglcanvas.mk

@@ -44,6 +44,7 @@ $(eval $(call gb_Library_add_exception_objects,oglcanvas,\
 $(eval $(call gb_Library_use_externals,oglcanvas,\
 	boost_headers \
 	glew \
+	mesa_headers \
 ))
 
 ifeq ($(strip $(OS)),MACOSX)

canvas/source/opengl/ogl_canvasbitmap.cxx

@@ -38,7 +38,7 @@ namespace oglcanvas
         maCanvasHelper = rSrc.maCanvasHelper;
     }
 
-    void SAL_CALL CanvasBitmap::disposeThis()
+    void CanvasBitmap::disposeThis()
     {
         mpDevice.clear();
 

canvas/source/opengl/ogl_canvascustomsprite.cxx

@@ -50,7 +50,7 @@ namespace oglcanvas
                              rDeviceHelper );
     }
 
-    void SAL_CALL CanvasCustomSprite::disposeThis()
+    void CanvasCustomSprite::disposeThis()
     {
         ::osl::MutexGuard aGuard( m_aMutex );
 

canvas/source/opengl/ogl_spritecanvas.cxx

@@ -80,7 +80,7 @@ namespace oglcanvas
         maArguments.realloc(0);
     }
 
-    void SAL_CALL SpriteCanvas::disposeThis()
+    void SpriteCanvas::disposeThis()
     {
         ::osl::MutexGuard aGuard( m_aMutex );
 

canvas/source/opengl/ogl_spritedevicehelper.cxx

@@ -90,6 +90,9 @@ namespace oglcanvas
         mnRectangularMultiColorGradientProgram(0)
     {}
 
+    SpriteDeviceHelper::~SpriteDeviceHelper()
+    {}
+
     void SpriteDeviceHelper::init( Window&               rWindow,
                                    SpriteCanvas&         rSpriteCanvas,
                                    const awt::Rectangle& rViewArea )

canvas/source/opengl/ogl_spritedevicehelper.hxx

@@ -41,6 +41,7 @@ namespace oglcanvas
     {
     public:
         SpriteDeviceHelper();
+        ~SpriteDeviceHelper();
 
         void init( Window&                                 rWindow,
                    SpriteCanvas&                           rSpriteCanvas,