made some TokenList::Stream members private

Author: firewave

simplecpp.cpp

@@ -287,6 +287,7 @@ class simplecpp::TokenList::Stream {
         isUtf16 = (bom == 0xfeff || bom == 0xfffe);
     }
 
+private:
     unsigned short getAndSkipBOM()
     {
         const int ch1 = peek();