avutil/log: fix zero length gnu_printf format string warning

This should fix warning reported by fate client:
http://fate.ffmpeg.org/report.cgi?time=20150917113121&slot=x86_32-linux-gnu-gcc-4.5.1-have_6regs.
Untested.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 63cdb6e4a5)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Ganesh Ajjanagadde 2015-09-17 08:11:39 -04:00 committed by Michael Niedermayer
parent d1de492330
commit abd20c2057
1 changed files with 1 additions and 1 deletions

View File

@ -343,7 +343,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
#if CONFIG_VALGRIND_BACKTRACE
if (level <= BACKTRACE_LOGLEVEL)
VALGRIND_PRINTF_BACKTRACE("");
VALGRIND_PRINTF_BACKTRACE("%s", "");
#endif
end:
av_bprint_finalize(part+3, NULL);