This patch fixes the following warning, issued by GCC 4.8.1 20130909 compiler:

In member function ‘char boost::property_tree::json_parser::detail::utf8_utf8_encoding::to_internal_trivial(char) const’:
workdir/UnpackedTarball/boost/boost/property_tree/detail/json_parser/narrow_encoding.hpp:71:25: warning:
comparison is always true due to limited range of data type [-Wtype-limits]
             assert(c <= 0x7f);

diff -ru boost.orig/boost/property_tree/detail/json_parser/narrow_encoding.hpp boost/boost/property_tree/detail/json_parser/narrow_encoding.hpp
--- foo/misc/boost.orig/boost/property_tree/detail/json_parser/narrow_encoding.hpp	2015-07-07 14:20:48.000000000 +0200
+++ foo/misc/boost/boost/property_tree/detail/json_parser/narrow_encoding.hpp	2015-07-19 11:55:28.268931551 +0200
@@ -68,7 +68,7 @@
         }
 
         char to_internal_trivial(char c) const {
-            assert(c <= 0x7f);
+	  //assert(c <= 0x7f);
             return c;
         }