Add count

dod.c

@@ -103,6 +103,7 @@ int main(void) {
 
   f32 last_time = GetFrameTime();
   f32 delta, cur_time;
+  u64 count = 0;
 
   while (!WindowShouldClose()) {
     f64 time = GetTime();
@@ -110,6 +111,8 @@ int main(void) {
       break;
     }
 
+    ++count;
+
     cur_time = GetFrameTime();
     delta    = cur_time - last_time;
 
@@ -130,6 +133,8 @@ int main(void) {
 
   CloseWindow();
 
+  printf("%lu\n", count);
+
   return 0;
 }