[clang][analyzer] Modify include AllocationState.h in PutenvWithAutoChecker.cpp

[usaxena95]

Summary

PutenvWithAutoChecker.cpp used to include "AllocationState.h" that is present in project root.
This makes build systems like blaze unhappy. Made it include the header relative to source file.

clang/lib/StaticAnalyzer/Checkers/cert/PutenvWithAutoChecker.cpp

 //== PutenvWithAutoChecker.cpp --------------------------------- -*- C++ -*--=//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines PutenvWithAutoChecker which finds calls of ``putenv``
 // function with automatic variable as the argument.
 // https://wiki.sei.cmu.edu/confluence/x/6NYxBQ
 //
 //===----------------------------------------------------------------------===//
 
-#include "AllocationState.h"
+#include "../AllocationState.h"
 #include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
 #include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
 #include "clang/StaticAnalyzer/Core/Checker.h"
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/MemRegion.h"