Don't need to link against libstdc++ on Mac OS X now.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401196

configure.in

@@ -2796,7 +2796,6 @@ case "$target" in
         if test x$enable_cdrom = xyes; then
             CDROM_SUBDIRS="$CDROM_SUBDIRS macosx"
             CDROM_DRIVERS="$CDROM_DRIVERS macosx/libcdrom_macosx.la"
-            SYSTEM_LIBS="$SYSTEM_LIBS -lstdc++"
         fi
         # Set up files for the thread library
         if test x$enable_threads = xyes; then