resize2fs: Print a warning message if the ftruncate system call fails

Resize2fs will attempt to truncate an image file of a filesystem down
to size for the convenience of the system administrator.  If the
truncate operation fails, print a warning message.  This also avoids a
gcc warning message.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1 file changed