[PATCH] perf probe: Fix build failure

[Li Zefan <lizf@cn.fujitsu.com>]

builtin-probe.c:121: error: 'opt_show_lines' defined but not used

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
 tools/perf/builtin-probe.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 1d3a99e..9be8063 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -118,6 +118,7 @@ static int opt_del_probe_event(const struct option *opt __used,
 	return 0;
 }
 
+#ifndef NO_LIBDWARF
 static int opt_show_lines(const struct option *opt __used,
 			  const char *str, int unset __used)
 {
@@ -127,6 +128,8 @@ static int opt_show_lines(const struct option *opt __used,
 	session.show_lines = true;
 	return 0;
 }
+#endif
+
 /* Currently just checking function name from symbol map */
 static void evaluate_probe_point(struct probe_point *pp)
 {
-- 
1.6.3