prokka: Fix non-executable file in binaries/linux/
prokka: Fix non-executable file in binaries/linux/

Closes #6059.

Signed-off-by: Shaun Jackman <b580dab3251a9622aba3803114310c23fdb42900@gmail.com>

heuermh/homebrew-science,pditommaso/homebrew-science,andrewjpage/homebrew-science