upgrade to 2.8.5 with src rpm

hello postfix list

I just updated to version postfix 2.8.5 with
the source rpm package

http://www.invoca.ch/pub/packages/postfix/RPMS/ils-5/SRPMS/

I made ​​some changes to the file. spec
Is this correct. this does not compromise my security of my system

my file .spec
http://pastebin.com/rH5uGRMK

all testimonials are welcome
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