Appease -Wnon-virtual-dtor

llvm-svn: 169648

diff --git a/clang/lib/Format/UnwrappedLineParser.h b/clang/lib/Format/UnwrappedLineParser.h
index 92a51ab..908391d 100644 (file)
--- a/clang/lib/Format/UnwrappedLineParser.h
+++ b/clang/lib/Format/UnwrappedLineParser.h
@@ -79,6 +79,8 @@ public:
 
 class FormatTokenSource {
 public:
+  virtual ~FormatTokenSource() {
+  }
   virtual FormatToken getNextToken() = 0;
 };