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[lyx.git] / boost / boost / exception / errinfo_nested_exception.hpp

diff --git a/boost/boost/exception/errinfo_nested_exception.hpp b/boost/boost/exception/errinfo_nested_exception.hpp
index de055e035f8307443f634a1eff821bc803b5e62e..c3299d1475ff76dc0916259361190ff00d386796 100644 (file)
--- a/boost/boost/exception/errinfo_nested_exception.hpp
+++ b/boost/boost/exception/errinfo_nested_exception.hpp
@@ -9,6 +9,7 @@
 namespace
 boost
     {
+    namespace exception_detail { class clone_base; }
     template <class Tag,class T> class error_info;
     class exception_ptr;
     typedef error_info<struct errinfo_nested_exception_,exception_ptr> errinfo_nested_exception;