difftool: Call the temp directory "git-difftool"

The "diffall" name was left over from when this functionality was part of
the "git-diffall" script in contrib/.  Make the naming consistent.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-difftool.perl b/git-difftool.perl
index 0ce616840796b5c44d7d7d1f3b2a3a334999f306..2ae344c7f4c4e81d95656caba7eba7feec15a206 100755 (executable)
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -104,7 +104,7 @@ sub setup_dir_diff
        exit(0) if (length($diffrtn) == 0);
 
        # Setup temp directories
-       my $tmpdir = tempdir('git-diffall.XXXXX', CLEANUP => 1, TMPDIR => 1);
+       my $tmpdir = tempdir('git-difftool.XXXXX', CLEANUP => 1, TMPDIR => 1);
        my $ldir = "$tmpdir/left";
        my $rdir = "$tmpdir/right";
        mkpath($ldir) or die $!;