Search for the normalized package name when patching (#715)

#708 broke patches specified via overrides due to the missing case normalization.

Authors:
  - Vyas Ramasubramani (https://github.com/vyasr)

Approvers:
  - Robert Maynard (https://github.com/robertmaynard)

URL: #715

rapids-cmake/cpm/detail/generate_patch_command.cmake

@@ -40,8 +40,10 @@ function(rapids_cpm_generate_patch_command package_name version patch_command)
   get_default_json(${package_name} json_data)
   get_override_json(${package_name} override_json_data)
 
-  get_property(json_path GLOBAL PROPERTY rapids_cpm_${package_name}_json_file)
-  get_property(override_json_path GLOBAL PROPERTY rapids_cpm_${package_name}_override_json_file)
+  string(TOLOWER "${package_name}" normalized_pkg_name)
+  get_property(json_path GLOBAL PROPERTY rapids_cpm_${normalized_pkg_name}_json_file)
+  get_property(override_json_path GLOBAL
+               PROPERTY rapids_cpm_${normalized_pkg_name}_override_json_file)
 
   string(JSON json_data ERROR_VARIABLE no_default_patch GET "${json_data}" patches)
   string(JSON override_json_data ERROR_VARIABLE no_override_patch GET "${override_json_data}"