FindCUDAToolkit: Fix cudart not found status message

This ended up after the searching after commit dc2eae1 (FindCUDAToolkit: Factor
out discovery code into a separate file, 2020-04-22).
Move it back to where it was and should be.

Modules/FindCUDAToolkit.cmake

@@ -498,10 +498,6 @@ else()
   unset(NVCC_OUT)
 endif()
 
-if(NOT CUDA_CUDART AND NOT CUDAToolkit_FIND_QUIETLY)
-  message(STATUS "Unable to find cudart library.")
-endif()
-
 # Find the CUDA Runtime Library libcudart
 find_library(CUDA_CUDART
   NAMES cudart
@@ -514,6 +510,10 @@ if(NOT CUDA_CUDART)
   )
 endif()
 
+if(NOT CUDA_CUDART AND NOT CUDAToolkit_FIND_QUIETLY)
+  message(STATUS "Unable to find cudart library.")
+endif()
+
 unset(CUDAToolkit_ROOT_DIR)
 if(_CUDAToolkit_Pop_Prefix)
   list(REMOVE_AT CMAKE_PREFIX_PATH -1)