llvm-to-source: fix incorrect conditional compilation guard
llvm-to-source: fix incorrect conditional compilation guard

we broke compilation on newer LLVM

Signed-off-by: Marek Chalupa <b10e113ac36de0a194e1c1a71340ff6b6b99ebfb@mail.muni.cz>

mchalupa/dg,mchalupa/dg,mchalupa/dg,mchalupa/dg