Use $root not $realroot.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1070 542714f4-19e9-0310-aa3c-eee0fc999fb1

bin/runjava

@@ -70,7 +70,7 @@ foreach $dir (@dirs) {
 $classpath = "$classpath:$jlib";
 
 # specify our resource root (the resource manager needs this)
-my $rootarg = "-Dresource_url=file:$realroot/rsrc";
+my $rootarg = "-Dresource_url=file:$root/rsrc";
 
 my $pid_file = undef;
 my $i = 0;