Replace 'signed' with 'int'. 'signed' is not typical for LLVM style

llvm-svn: 175015

clang/lib/Format/TokenAnnotator.cpp

@@ -705,7 +705,7 @@ public:
   ExpressionParser(AnnotatedLine &Line) : Current(&Line.First) {}
 
   /// \brief Parse expressions with the given operatore precedence.
-  void parse(signed Precedence = prec::Unknown) {
+  void parse(int Precedence = prec::Unknown) {
     if (Precedence > prec::PointerToMember || Current == NULL)
       return;