[clang-tidy] Use const char* to compile with VC cl.exe.

Summary:
cl.exe does not accept constexpr char FuncBindingStr[] = ...

Differential Revision: https://reviews.llvm.org/D36761

llvm-svn: 311035
diff --git a/clang-tools-extra/clang-tidy/android/CloexecCheck.cpp b/clang-tools-extra/clang-tidy/android/CloexecCheck.cpp
index 9e6c543..8473f1a 100644
--- a/clang-tools-extra/clang-tidy/android/CloexecCheck.cpp
+++ b/clang-tools-extra/clang-tidy/android/CloexecCheck.cpp
@@ -37,9 +37,9 @@
 }
 } // namespace
 
-constexpr char CloexecCheck::FuncDeclBindingStr[];
+const char *CloexecCheck::FuncDeclBindingStr = "funcDecl";
 
-constexpr char CloexecCheck::FuncBindingStr[];
+const char *CloexecCheck::FuncBindingStr ="func";
 
 void CloexecCheck::registerMatchersImpl(
     MatchFinder *Finder, internal::Matcher<FunctionDecl> Function) {