Fix a case that I missed in r133550.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133551 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/HeaderSearchOptions.h b/include/clang/Frontend/HeaderSearchOptions.h
index deb0826..0347f98 100644
--- a/include/clang/Frontend/HeaderSearchOptions.h
+++ b/include/clang/Frontend/HeaderSearchOptions.h
@@ -98,7 +98,7 @@
   void AddPath(llvm::StringRef Path, frontend::IncludeDirGroup Group,
                bool IsUserSupplied, bool IsFramework, bool IgnoreSysRoot) {
     UserEntries.push_back(Entry(Path, Group, IsUserSupplied, IsFramework,
-                                !IgnoreSysRoot));
+                                IgnoreSysRoot));
   }
 };