Index: libs/config/test/boost_no_std_wstreambuf.ipp
===================================================================
--- libs/config/test/boost_no_std_wstreambuf.ipp	(revision 84007)
+++ libs/config/test/boost_no_std_wstreambuf.ipp	(working copy)
@@ -61,13 +61,13 @@
    case ::std::ios_base::beg:
       if((off < 0) || (off > size))
          return pos_type(off_type(-1));
-      else
-         this->setg(g, g + off, g + size);
+      this->setg(g, g + off, g + size);
+      BOOST_FALLTHROUGH;
    case ::std::ios_base::end:
       if((off < 0) || (off > size))
          return pos_type(off_type(-1));
-      else
-         this->setg(g, g + size - off, g + size);
+      this->setg(g, g + size - off, g + size);
+      BOOST_FALLTHROUGH;
    case ::std::ios_base::cur:
    {
       int newpos = pos + off;