perf tools: Fix perf's libperf_print callback

eprintf() does not expect va_list as the type of the 4th parameter.

Use veprintf() because it does.

Signed-off-by: Adrian Hunter <[email protected]>
Fixes: 428dab8 ("libperf: Merge libperf_set_print() into libperf_init()")
Cc: Jiri Olsa <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

tools/perf/perf.c

@@ -434,7 +434,7 @@ void pthread__unblock_sigwinch(void)
 static int libperf_print(enum libperf_print_level level,
 			 const char *fmt, va_list ap)
 {
-	return eprintf(level, verbose, fmt, ap);
+	return veprintf(level, verbose, fmt, ap);
 }
 
 int main(int argc, const char **argv)