new shadowing warning in isapipe.c

[Jim Meyering]

Hi Paul,

How about this, so coreutils' "make distcheck" passes once again?
It avoids a warning from -Wshadow.

2006-08-30  Jim Meyering  <[EMAIL PROTECTED]>

        * isapipe.c (isapipe): Rename local s/fd/fd_pair/ to avoid shadowing
        the parameter.

Index: lib/isapipe.c
===================================================================
RCS file: /sources/gnulib/gnulib/lib/isapipe.c,v
retrieving revision 1.1
diff -u -r1.1 isapipe.c
--- lib/isapipe.c       29 Aug 2006 20:32:07 -0000      1.1
+++ lib/isapipe.c       30 Aug 2006 22:07:00 -0000
@@ -71,17 +71,17 @@
         && PIPE_LINK_COUNT_MAX != (nlink_t) -1)
       && (S_ISFIFO (st.st_mode) | S_ISSOCK (st.st_mode)))
     {
-      int fd[2];
-      int pipe_result = pipe (fd);
+      int fd_pair[2];
+      int pipe_result = pipe (fd_pair);
       if (pipe_result != 0)
        return pipe_result;
       else
        {
          struct stat pipe_st;
-         int fstat_pipe_result = fstat (fd[0], &pipe_st);
+         int fstat_pipe_result = fstat (fd_pair[0], &pipe_st);
          int fstat_pipe_errno = errno;
-         close (fd[0]);
-         close (fd[1]);
+         close (fd_pair[0]);
+         close (fd_pair[1]);
          if (fstat_pipe_result != 0)
            {
              errno = fstat_pipe_errno;