Avoid m_redir.c importing priv_symtab.h.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4024 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/pub_tool_debuginfo.h b/include/pub_tool_debuginfo.h
index bafb59c..acbd511 100644
--- a/include/pub_tool_debuginfo.h
+++ b/include/pub_tool_debuginfo.h
@@ -105,6 +105,7 @@
 extern const SegInfo* VG_(next_seginfo)      ( const SegInfo *si );
 extern       Addr     VG_(seginfo_start)     ( const SegInfo *si );
 extern       SizeT    VG_(seginfo_size)      ( const SegInfo *si );
+extern const UChar*   VG_(seginfo_soname)    ( const SegInfo *si );
 extern const UChar*   VG_(seginfo_filename)  ( const SegInfo *si );
 extern       ULong    VG_(seginfo_sym_offset)( const SegInfo *si );