Merge topic 'fix-ExternalProject-COMMAND-niggly'

64818c1 ExternalProject: Add missing COMMAND keyword

Modules/ExternalProject.cmake

@@ -1141,7 +1141,8 @@ function(_ep_add_download_command name)
         set(comment "Performing download step (verify and extract) for '${name}'")
       endif()
       _ep_write_verifyfile_script("${stamp_dir}/verify-${name}.cmake" "${file}" "${md5}")
-      list(APPEND cmd ${CMAKE_COMMAND} -P ${stamp_dir}/verify-${name}.cmake)
+      list(APPEND cmd ${CMAKE_COMMAND} -P ${stamp_dir}/verify-${name}.cmake
+        COMMAND)
       _ep_write_extractfile_script("${stamp_dir}/extract-${name}.cmake" "${name}" "${file}" "${source_dir}")
       list(APPEND cmd ${CMAKE_COMMAND} -P ${stamp_dir}/extract-${name}.cmake)
     endif()