Fix command

lib/php/libsdk/SDK/Build/PGO/Controller.php

@@ -141,9 +141,9 @@ class Controller
 			/* XXX this needs to go into the config, specifically for composer maybe even separate class. */
 			$url = "https://getcomposer.org/installer";
 			/* XXX remove the explicit version option when symfony demo is fixed. */
-			$tool = $this->conf->getToolsDir() . DIRECTORY_SEPARATOR . "composer-setup.php --version=1.6.5";
+			$tool = $this->conf->getToolsDir() . DIRECTORY_SEPARATOR . "composer-setup.php";
 			$pw->fetch($url, $tool, $force);
-			$php->exec("$tool --install-dir=" . $this->conf->getToolsDir());
+			$php->exec("$tool --install-dir=" . $this->conf->getToolsDir() . " --version=1.6.5");
 			unlink($tool);
 		}
 	}