Update dgemm_thread_safety.cpp

cpp_thread_test/dgemm_thread_safety.cpp

@@ -16,7 +16,7 @@ int main(int argc, char* argv[]){
 	uint32_t numTestRounds = 16; //number of testing rounds before success exit
 	uint32_t maxHwThreads = omp_get_max_threads();
 	
-	if (maxHwThreads() < 96)
+	if (maxHwThreads < 96)
 		numConcurrentThreads = maxHwThreads;
 
 	if (argc > 4){