Match case of package name to suppress warning (pytorch#35201)

Summary:
Kitware/CMake@ee4673c

`find_package(Torch)` is used most of the time: https://pytorch.org/cppdocs/installing.html
Pull Request resolved: pytorch#35201

Differential Revision: D20627251

Pulled By: albanD

fbshipit-source-id: edc151ca437f1f0a778b9834db481bbc887cb9f5

Author: take-cheeze

cmake/TorchConfig.cmake.in

@@ -127,4 +127,4 @@ if (TORCH_CXX_FLAGS)
   set_property(TARGET torch PROPERTY INTERFACE_COMPILE_OPTIONS "${TORCH_CXX_FLAGS}")
 endif()
 
-find_package_handle_standard_args(torch DEFAULT_MSG TORCH_LIBRARY TORCH_INCLUDE_DIRS)
+find_package_handle_standard_args(Torch DEFAULT_MSG TORCH_LIBRARY TORCH_INCLUDE_DIRS)