[PATCH 6/8] [clang-tidy] convert files to reference

[Rosen Penev <rosenp@xxxxxxxxx>]

Found with performance-unnecessary-value-param

Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
---
 utils/rds-ctl/rds-ctl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/rds-ctl/rds-ctl.cpp b/utils/rds-ctl/rds-ctl.cpp
index f58c1fa2..cabfa538 100644
--- a/utils/rds-ctl/rds-ctl.cpp
+++ b/utils/rds-ctl/rds-ctl.cpp
@@ -299,7 +299,7 @@ static bool is_radio_dev(const char *name)
 	return !memcmp(name, "radio", 5);
 }
 
-static void print_devices(dev_vec files)
+static void print_devices(const dev_vec& files)
 {
 	dev_map cards;
 	int fd = -1;
-- 
2.26.2