Add free hash here

Author: aidangarske

examples/pcr/extend.c

@@ -163,6 +163,7 @@ int TPM2_PCR_Extend_Test(void* userCtx, int argc, char *argv[])
         XFCLOSE(fp);
         if (rc == 0)
             rc = wc_HashFinal(&dig, hashType, hash);
+        wc_HashFree(&dig, hashType);
         if (rc != 0) {
             printf("Hash operation failed %d\n", rc);
             goto exit;