debug.cc: Include <cstdio>.

2015-09-17  Catherine Moore  <clm@codesourcery.com>

        * src/c++11/debug.cc: Include <cstdio>.

From-SVN: r227888

libstdc++-v3/ChangeLog

+2015-09-17  Catherine Moore  <clm@codesourcery.com>
+
+	* src/c++11/debug.cc: Include <cstdio>.
+
 2015-09-17  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* src/c++11/random.cc: Include <cerrno>.

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

@@ -32,6 +32,7 @@
 #include <debug/safe_local_iterator.h>
 
 #include <cassert>
+#include <cstdio>
 
 #include <algorithm> // for std::min
 #include <functional> // for _Hash_impl