doc: fix message names in opengl doc

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/outdevs.texi

@@ -220,11 +220,11 @@ This output device allows one to render to OpenGL context.
 Context may be provided by application or default SDL window is created.
 
 When device renders to external context, application must implement handlers for following messages:
-@code{AV_CTL_MESSAGE_CREATE_WINDOW_BUFFER} - create OpenGL context on current thread.
-@code{AV_CTL_MESSAGE_PREPARE_WINDOW_BUFFER} - make OpenGL context current.
-@code{AV_CTL_MESSAGE_DISPLAY_WINDOW_BUFFER} - swap buffers.
-@code{AV_CTL_MESSAGE_DESTROY_WINDOW_BUFFER} - destroy OpenGL context.
-Application is also required to inform a device about current resolution by sending @code{AV_DEVICE_WINDOW_RESIZED} message.
+@code{AV_DEV_TO_APP_CREATE_WINDOW_BUFFER} - create OpenGL context on current thread.
+@code{AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER} - make OpenGL context current.
+@code{AV_DEV_TO_APP_DISPLAY_WINDOW_BUFFER} - swap buffers.
+@code{AV_DEV_TO_APP_DESTROY_WINDOW_BUFFER} - destroy OpenGL context.
+Application is also required to inform a device about current resolution by sending @code{AV_APP_TO_DEV_WINDOW_SIZE} message.
 
 @subsection Options
 @table @option