use "RACE!" instead of "RACE"

Author: dabund24

tests/regression/90-races_ancestor_locksets/20-multiple_create_statements_racing.c

@@ -7,13 +7,13 @@ pthread_t id1, id2;
 
 void *t1(void *arg) {
   pthread_mutex_lock(&mutex);
-  global++; // RACE
+  global++; // RACE!
   pthread_mutex_unlock(&mutex);
   return NULL;
 }
 
 void *t2(void *arg) { // t2 is not protected by mutex locked in main thread, since it is created/joined twice. The lock is released before the second join happens
-  global++; // RACE
+  global++; // RACE!
   return NULL;
 }
 

tests/regression/90-races_ancestor_locksets/21-diamond_racing.c

@@ -7,13 +7,13 @@ pthread_t id1, id2, id3, id4_1, id4_2;
 
 void *t1(void *arg) {
   pthread_mutex_lock(&mutex);
-  global++; // RACE
+  global++; // RACE!
   pthread_mutex_unlock(&mutex);
   return NULL;
 }
 
 void* t4(void* arg) { // t4 is not protected by mutex, since it is created twice and the creation in t2 does not happen with mutex locked 
-  global++; // RACE
+  global++; // RACE!
   return NULL;
 }
 

tests/regression/90-races_ancestor_locksets/22-circle_racing.c

@@ -10,7 +10,7 @@ pthread_t id1, idc1;
 
 void *t1(void *arg) {
   pthread_mutex_lock(&mutex);
-  global++; // RACE
+  global++; // RACE!
   pthread_mutex_unlock(&mutex);
   return NULL;
 }
@@ -26,7 +26,7 @@ void *tc2(void *arg) {
 }
 
 void *tc1(void *arg) { // tc1 is protected by tc2, but not by the main thread.
-  global++; // RACE
+  global++; // RACE!
   pthread_t idc2;
   pthread_create(&idc2, NULL, tc2, NULL);
   return NULL;