[PATCH] [Msan] Fix the getline.cc test to pass on FreeBSD

[Viktor Kutuzov]

> Why do you need this change in getdelim interceptors?


There's no ##__getdelim()## on FreeBSD so we shouldn't try to call ##REAL(__getdelim)()## there and I'm not sure calling ##getdelim()## from within the ##__getdelim()## interceptor will work on all platforms.


http://reviews.llvm.org/D9251

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