Fixed memory leaks

src/libimcv/plugins/imc_attestation/imc_attestation.c

@@ -71,7 +71,7 @@ static pts_dh_group_t supported_dh_groups = 0;
  * High Entropy Random Data
  * used in calculation of shared secret for the assessment session
  */
-static chunk_t responder_nonce;
+static char *responder_nonce = NULL;
 
 /**
  * see section 3.7.1 of TCG TNC IF-IMC Specification 1.2
@@ -81,6 +81,8 @@ TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
 							  TNC_Version max_version,
 							  TNC_Version *actual_version)
 {
+	rng_t *rng;
+	
 	if (imc_attestation)
 	{
 		DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);