IncludeFixerTest.cpp: Tweak not to assume clang-tools-extra were onto clang/tools/extra.

llvm-svn: 266874
diff --git a/clang-tools-extra/unittests/include-fixer/CMakeLists.txt b/clang-tools-extra/unittests/include-fixer/CMakeLists.txt
index 54d265a..9b07011 100644
--- a/clang-tools-extra/unittests/include-fixer/CMakeLists.txt
+++ b/clang-tools-extra/unittests/include-fixer/CMakeLists.txt
@@ -8,6 +8,9 @@
   ${INCLUDE_FIXER_SOURCE_DIR}
   )
 
+# We'd like to clang/unittests/Tooling/RewriterTestContext.h in the test.
+include_directories(${CLANG_SOURCE_DIR})
+
 add_extra_unittest(IncludeFixerTests
   IncludeFixerTest.cpp
   )
diff --git a/clang-tools-extra/unittests/include-fixer/IncludeFixerTest.cpp b/clang-tools-extra/unittests/include-fixer/IncludeFixerTest.cpp
index 75ee8a3..1275976 100644
--- a/clang-tools-extra/unittests/include-fixer/IncludeFixerTest.cpp
+++ b/clang-tools-extra/unittests/include-fixer/IncludeFixerTest.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "../../../../unittests/Tooling/RewriterTestContext.h"
+#include "unittests/Tooling/RewriterTestContext.h"
 #include "InMemoryXrefsDB.h"
 #include "IncludeFixer.h"
 #include "clang/Tooling/Tooling.h"