a2ps: Fix for Linuxbrew
a2ps: Fix for Linuxbrew

a2ps had a patch which made the linker argument order incorrect.

Closes Linuxbrew/homebrew-core#181.

Signed-off-by: Bob W. Hogg <c772a964fd55352a3510e5d535dd9ccc9ac30168@linux.com>

LinuxbrewTestBot/homebrew-core,rwhogg/homebrew-core,rwhogg/homebrew-core,maxim-belkin/homebrew-core,LinuxbrewTestBot/homebrew-core,maxim-belkin/homebrew-core,Linuxbrew/homebrew-core,Linuxbrew/homebrew-core