Rebuild of the Debian archive with clang

"Unused function" build failure(s)
clang 3.1

-Wall -Werror are including the option -Wunused-function. Without not the case with g++

namespace { 
   void dummy_for_semicolon_do_not_use();
}

Versions: 2.9 - 3.0 - 3.1 - 3.2

Package	Version	Supposed error message	Full log
cdebootstrap	0.5.9	../../../../src/frontend/standalone/message.c:79:12: error: unused function 'unused' [-Werror,-Wunused-function]	Log
diagnostics	0.3.3-1.3	annotations.cpp:46:1: error: unused function 'dummy_for_semicolon_do_not_use' [-Werror,-Wunused-function]	Log

Debian Package rebuild