Disabled bogus GCC warnings.

[SVN r45082]

include/boost/exception/detail/cloning_base.hpp

@@ -23,6 +23,10 @@ boost
 
             protected:
 
+#ifdef __GNUC__
+virtual //Disable bogus GCC warning.
+//Would someone at GCC finally get the protected, non-virtual destructor approach?
+#endif
             ~cloning_base() throw()
                 {
                 }

include/boost/exception/detail/counted_base.hpp

@@ -34,6 +34,10 @@ boost
 
             protected:
 
+#ifdef __GNUC__
+virtual //Disable bogus GCC warning.
+//Would someone at GCC finally get the protected, non-virtual destructor approach?
+#endif
             ~counted_base() throw()
                 {
                 }

include/boost/exception/info.hpp

@@ -39,6 +39,10 @@ boost
 
             protected:
 
+#ifdef __GNUC__
+virtual //Disable bogus GCC warning.
+//Would someone at GCC finally get the protected, non-virtual destructor approach?
+#endif
             ~error_info_base()
                 {
                 }