[FMRadio] Fix build brake

[Verification] Code compiles without error

Change-Id: I85a096cf1defa9b97c791c78c0f288e1fbd325a8
Signed-off-by: Lukasz Bardeli <l.bardeli@samsung.com>

diff --git a/src/radio/radio_manager.cc b/src/radio/radio_manager.cc
index 09eefe349c880674f395a109ff3119b1ebacf1e4..1e3e08a268d150901715ad50657afa004afa2511 100755 (executable)
--- a/src/radio/radio_manager.cc
+++ b/src/radio/radio_manager.cc
@@ -31,7 +31,7 @@ std::map<radio_state_e, const char*> radio_state = {
 static const double FREQ_LOWER = 87.5;
 
 static void AddCallbackID(double callbackId, picojson::object* obj) {
-  obj->insert(std::make_pair("callbackId", callbackId));
+  obj->insert(std::make_pair("callbackId", picojson::value(callbackId)));
 }
 
 static void PostResultSuccess(double callbackId, picojson::value* event) {