Some label fixes

test/thread/test_thread.c

@@ -45,7 +45,7 @@ static void test_thread_start_stop(void **state) {
 }
 
 static void test_thread_should_stop(void **state) {
-  // threadStop blocks until STOPPED — if threadShouldStop is broken the
+  // threadStop blocks until STOPPED  -  if threadShouldStop is broken the
   // looping callback never exits and this test hangs / times out.
   thread_t thread;
   threadInit(&thread, helper_loop);
@@ -108,12 +108,12 @@ typedef struct {
 static void helper_trylock(thread_t *thread) {
   trylock_data_t *data = (trylock_data_t *)thread->data;
 
-  // Phase 1: main holds the lock — trylock must fail.
+  // Phase 1: main holds the lock  -  trylock must fail.
   while(data->phase != 1) {}
   data->resultWhileLocked = threadMutexTryLock(data->target);
   data->phase = 2;
 
-  // Phase 3: main released the lock — trylock must succeed.
+  // Phase 3: main released the lock  -  trylock must succeed.
   while(data->phase != 3) {}
   data->resultAfterUnlock = threadMutexTryLock(data->target);
   if(data->resultAfterUnlock) {