Fix chdir problems, now that the config file cache is cleared.

sbin/upgrade.pl

@@ -23,6 +23,7 @@ use Pod::Usage;
 use WebGUI::Config;
 use WebGUI::Session;
 use WebGUI::Utility;
+use Cwd;
 
 my $help;
 my $history;
@@ -188,9 +189,11 @@ foreach my $file (@files) {
 print "\nREADY TO BEGIN UPGRADES\n" unless ($quiet);
 
 my $notRun = 1;
-			
-chdir($upgradesPath);
+
+
+my $currentPath = getcwd();
 foreach my $filename (keys %config) {
+    chdir($upgradesPath);
 	my $clicmd = $config{$filename}{mysqlCLI} || $mysql;
 	my $dumpcmd = $config{$filename}{mysqlDump} || $mysqldump;
 	my $backupTo = $config{$filename}{backupPath} || $backupDir;
@@ -250,6 +253,7 @@ foreach my $filename (keys %config) {
 		$notRun = 0;
         sleep 1; # Sleep a second to avoid adding asset revisions too quickly
 	}
+    chdir($currentPath);
 	my $session = WebGUI::Session->open($webguiRoot,$filename);
 	print "\tSetting site upgrade completed..." unless ($quiet);
 	$session->setting->remove('specialState');