Fix a dangling pointer / needless copy

Change-Id: I388462ea3d8949f7512228e1b65e4c9ccbc25bdb
Signed-off-by: Michal Bloch <m.bloch@samsung.com>

diff --git a/src/test-serializer.cpp b/src/test-serializer.cpp
index 2aaf1fd..3461301 100644 (file)
--- a/src/test-serializer.cpp
+++ b/src/test-serializer.cpp
@@ -54,7 +54,7 @@ struct TestsHelper {
                return value;
        }
 
-       static const char *to_str(const std::string value) {
+       static const char *to_str(const std::string & value) {
                return value.c_str();
        }