Patching a file in linux

Hi

I had this exact problem with sphinx 2.0.4:

#667378 - sphinxsearch: ftbfs with GCC-4.7 - Debian Bug report logs

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I know that in a new version is fixed but for a reason i must stay with this version.

There is a patch there:

Code:

sphinxsearch+nmu.diff

and i know that i can patch the file with the problem using :

Code:

patch filex.c < sphinxsearch+nmu.diff

Is it a gcc 4.7 compiler patch? Damn don't know how to apply this patch on my Centos 7.2