[patch] Fix doxygen @file comment in libstdc++ header

[Jonathan Wakely]

A trivial patch, I didn't edit the @file when I moved this file to the
new bits sub-directory.

Committed as obvious.



commit 1229ad46adf4d9a74b3da4e354120ebaa1be8eb1
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Nov 12 10:07:08 2015 +0000

    	* include/experimental/bits/string_view.tcc: Fix doxygen @file.

diff --git a/libstdc++-v3/include/experimental/bits/string_view.tcc b/libstdc++-v3/include/experimental/bits/string_view.tcc
index 75a34f9..0eb4f70 100644
--- a/libstdc++-v3/include/experimental/bits/string_view.tcc
+++ b/libstdc++-v3/include/experimental/bits/string_view.tcc
@@ -22,7 +22,7 @@
 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 // <http://www.gnu.org/licenses/>.
 
-/** @file experimental/string_view.tcc
+/** @file experimental/bits/string_view.tcc
  *  This is an internal header file, included by other library headers.
  *  Do not attempt to use it directly. @headername{string_view}
  */