Fix compilation of timefilter test program.

The printf function is forbidden in library code, but not in test programs,
so #undefine the printf macro that disables the system printf function.

Signed-off-by: Diego Biurrun <diego@biurrun.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/libavformat/timefilter.c b/libavformat/timefilter.c
index b08764768a..4860a4ff70 100644
--- a/libavformat/timefilter.c
+++ b/libavformat/timefilter.c
@@ -79,6 +79,8 @@ double ff_timefilter_update(TimeFilter *self, double system_time, double period)
 #include "libavutil/lfg.h"
 #define LFG_MAX ((1LL << 32) - 1)
 
+#undef printf
+
 int main(void)
 {
     AVLFG prng;