git-svn: correctly display fatal() error messages

If I wanted to print $@, I'd pass $@ to fatal().  This looks like
a stupid typo on my part.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/git-svn.perl b/git-svn.perl
index e8b5c09..599edc3 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -21,7 +21,7 @@
 $ENV{LC_ALL} = 'C';
 $| = 1; # unbuffer STDOUT
 
-sub fatal (@) { print STDERR $@; exit 1 }
+sub fatal (@) { print STDERR @_; exit 1 }
 # If SVN:: library support is added, please make the dependencies
 # optional and preserve the capability to use the command-line client.
 # use eval { require SVN::... } to make it lazy load