Cross Reference: /external/clang/test/Preprocessor/Inputs/microsoft-header-search

`Name`	`Date`	`Size`
Up to higher level directory
`a/`	03-Dec-2014
`falsepos.h`	03-Dec-2014	`67`
`findme.h`	03-Dec-2014	`74`
`include1.h`	03-Dec-2014	`75`