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


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175015 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index 5794f5a..2370597 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -705,7 +705,7 @@
   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;