* libio/libio.h: Add test for glibc 2.0.

From-SVN: r39014

libstdc++-v3/ChangeLog

+2001-01-14  Andreas Jaeger  <aj@suse.de>
+
+	* libio/libio.h: Add test for glibc 2.0.
+
 2001-01-12  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* config/os/djgpp/bits/*: Fix dates.

libstdc++-v3/libio/libio.h

-/* Copyright (C) 1991,92,93,94,95,97,98,99,2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,95,97,98,99,2000,2001 Free Software Foundation, Inc.
    This file is part of the GNU IO Library.
    Written by Per Bothner <bothner@cygnus.com>.
 
@@ -162,7 +162,11 @@ struct _IO_jump_t;  struct _IO_FILE;
 /* Handle lock.  */
 #ifdef _IO_MTSAFE_IO
 # if defined __GLIBC__ && __GLIBC__ >= 2
+#  if __GLIBC_MINOR__ == 0
+#   include <stdio-lock.h>
+#  else
 #   include <bits/stdio-lock.h>
+#  endif
 # else
 /*# include <comthread.h>*/
 # endif