GUACAMOLE-1911: Fixed some typo mistakes ("greated", "peform").

src/libguac/rwlock.c

@@ -139,7 +139,7 @@ static void* get_value_from_flag_and_count(
 static int would_overflow_count(uintptr_t current_count) {
 
     /**
-     * The count will overflow if it's already equal or greated to the maximum
+     * The count will overflow if it's already equal or greater to the maximum
      * possible value that can be stored in a uintptr_t excluding the first nibble.
      */
     return current_count >= (UINTPTR_MAX >> 4);

src/libguac/socket-broadcast.c

@@ -374,7 +374,7 @@ static int __guac_socket_broadcast_free_handler(guac_socket* socket) {
  *     The client who's users are being broadcast to.
  *
  * @param broadcast_handler
- *     The handler that will peform the broadcast against a subset of users
+ *     The handler that will perform the broadcast against a subset of users
  *     of the provided client.
  *
  * @return