Fix build break when configured with --enable-symvers=gnu-versioned-namespace

2013-10-01  Paul Pluzhnikov  <ppluzhnikov@google.com>

	* src/c++11/snprintf_lite.cc: Add missing
	_GLIBCXX_{BEGIN,END}_NAMESPACE_VERSION

From-SVN: r203076

libstdc++-v3/ChangeLog

+2013-10-01  Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+	* src/c++11/snprintf_lite.cc: Add missing
+	_GLIBCXX_{BEGIN,END}_NAMESPACE_VERSION
+
 2013-10-01  Joern Rennecke  <joern.rennecke@embecosm.com>
 
 	* acinclude.m4 (GLIBCXX_ENABLE_SJLJ_EXCEPTIONS): Also check for

libstdc++-v3/src/c++11/snprintf_lite.cc

@@ -28,10 +28,12 @@
 #include <bits/locale_facets.h>
 
 namespace std {
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
   template<typename _CharT, typename _ValueT>
   int
   __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
                 ios_base::fmtflags __flags, bool __dec);
+_GLIBCXX_END_NAMESPACE_VERSION
 }
 
 namespace __gnu_cxx {