JSONLib: fix issue with convert string with zero symbols
JSONLib: fix issue with convert string with zero symbols

rhomobile/rhodes,tauplatform/tau,watusi/rhodes,rhomobile/rhodes,rhomobile/rhodes,rhomobile/rhodes,rhomobile/rhodes,watusi/rhodes,watusi/rhodes,tauplatform/tau,tauplatform/tau,watusi/rhodes,tauplatform/tau,watusi/rhodes,tauplatform/tau,watusi/rhodes,rhomobile/rhodes,rhomobile/rhodes,tauplatform/tau,rhomobile/rhodes,watusi/rhodes,tauplatform/tau,tauplatform/tau,tauplatform/tau,watusi/rhodes,rhomobile/rhodes,rhomobile/rhodes,watusi/rhodes,watusi/rhodes,tauplatform/tau