fix: adjust format and thread missing with Apple

Author: srvald

examples/rtde_client.cpp

@@ -59,9 +59,8 @@ void printFraction(const double fraction, const std::string& label, const size_t
 
 int main(int argc, char* argv[])
 {
-
-#ifdef _WIN32
   pthread_t thread = pthread_self();
+#ifdef _WIN32
   pprocess_t process = pprocess_self();
 
   // Assign logical CPUs 6 and 7 to this process
@@ -78,7 +77,6 @@ int main(int argc, char* argv[])
     URCL_LOG_ERROR("Failed to set thread affinity");
   }
 #elif __linux__
-  pthread_t thread = pthread_self();
   cpu_set_t cpuset;
   CPU_ZERO(&cpuset);