egl: Destroy display's resources upon termination.

eglTerminate should destroy the contexts and surfaces of the display.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>

src/egl/main/egldisplay.h

@@ -56,6 +56,10 @@ extern _EGLDisplay *
 _eglFindDisplay(NativeDisplayType nativeDisplay);
 
 
+extern void
+_eglReleaseDisplayResources(_EGLDriver *drv, EGLDisplay dpy);
+
+
 extern void
 _eglCleanupDisplay(_EGLDisplay *disp);