Force unsigned compare on advance_pointer.

src/common/tusb_fifo.c

@@ -325,7 +325,7 @@ static uint16_t advance_pointer(tu_fifo_t* f, uint16_t p, uint16_t offset)
   // We are exploiting the wrap around to the correct index
 
   // TODO warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Wstrict-overflow]
-  if ((p > p + offset) || (p + offset > f->max_pointer_idx))
+  if ((p > (uint16_t)(p + offset)) || ((uint16_t)(p + offset) > f->max_pointer_idx))
   {
     p = (p + offset) + f->non_used_index_space;
   }