comment out unused function


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116189 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/ChrootChecker.cpp b/lib/Checker/ChrootChecker.cpp
index 2b29049..763a6d3 100644
--- a/lib/Checker/ChrootChecker.cpp
+++ b/lib/Checker/ChrootChecker.cpp
@@ -26,7 +26,7 @@
 enum Kind { NO_CHROOT, ROOT_CHANGED, JAIL_ENTERED };
   
 bool isRootChanged(intptr_t k) { return k == ROOT_CHANGED; }
-bool isJailEntered(intptr_t k) { return k == JAIL_ENTERED; }
+//bool isJailEntered(intptr_t k) { return k == JAIL_ENTERED; }
 
 // This checker checks improper use of chroot.
 // The state transition: