Steps to Reproduce:

  -In a creative, type in "/locate structure " 
  -observe
  

Observed Results:

-The desert temple does not show up on the list.  Typing it in anyways does not work as well. 

Expected Results:

-The desert temple Syntax should show up on the list. 
-Executing the command should give you the coordinates of the nearest desert temple.

Notes:

-I cannot confirm if it only occurs on the switch. Please check.