gui: image_renderer: fix "no previous prototype for 'image_renderer_unregister'" warning
The patch fixes this compiler's warning:

  lib/gui/image_renderer.c:92:6: warning: no previous prototype for 'image_renderer_unregister' [-Wmissing-prototypes]
   void image_renderer_unregister(struct image_renderer *ir)
        ^

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 0f9c87e commit f43a576673950a5f9ccfc78ddde80098c1da849d
@Antony Pavlov Antony Pavlov authored on 20 Mar 2017
Sascha Hauer committed on 30 Mar 2017
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include/gui/image_renderer.h