fix exit_program() prototypes

This fixes 2 warnings

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/ffmpeg.c b/ffmpeg.c
index a9e5c548fe..5be745e42f 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -378,7 +378,7 @@ static int decode_interrupt_cb(void *ctx)
 
 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
 
-static void exit_program()
+static void exit_program(void)
 {
     int i, j;