Disable clang/test/Preprocessor/macro-multiline.c for now, while investigating lit...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169458 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Preprocessor/macro-multiline.c b/test/Preprocessor/macro-multiline.c.ignoreme
similarity index 100%
rename from test/Preprocessor/macro-multiline.c
rename to test/Preprocessor/macro-multiline.c.ignoreme