Fix:

Fix:
Decl.cpp:716:28: warning: initialization of pointer of type 'clang::VarDecl *' from literal 'false' [-Wbool-conversions]
  VarDecl *LastTentative = false;
                           ^
RewriteRope.cpp:535:12: warning: initialization of pointer of type '<anonymous>::RopePieceBTreeNode *' from literal 'false'
      [-Wbool-conversions]
    return false;
           ^

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105946 91177308-0d34-0410-b5e6-96231b3b80d8