Oops. Last commit did not create subdir before doing a touch on a file in it....

Oops. Last commit did not create subdir before doing a touch on a file in it. So it fails on some platforms. This fixes that.

Tests/CustomCommand/CMakeLists.txt

@@ -406,6 +406,7 @@ ADD_CUSTOM_TARGET(SameName ALL
 
 ADD_CUSTOM_COMMAND(
   OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/subdir/SameName
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/subdir
   COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/subdir/SameName
   )
 ADD_CUSTOM_TARGET(DifferentName ALL