Fix curl tests

The router script needs to be absolute, since tests are executed in the root of
the project. This was not discovered because the router script wouldn't emit
errors.

Author: iluuu1994

ext/curl/tests/server.inc

@@ -3,7 +3,7 @@
 function curl_cli_server_start() {
     $php_executable = getenv('TEST_PHP_EXECUTABLE') ?: PHP_BINARY;
     $doc_root = __DIR__;
-    $router = "responder/get.inc";
+    $router = __DIR__ . "/responder/get.inc";
     $cmd = [$php_executable, '-t', $doc_root, '-n', '-S', 'localhost:0', $router];
     $descriptorspec = array(
         0 => STDIN,
@@ -71,7 +71,7 @@ function curl_cli_server_start() {
     }
 
     register_shutdown_function(
-        function($handle) use($router) {
+        function($handle) {
             proc_terminate($handle);
             /* Wait for server to shutdown */
             for ($i = 0; $i < 60; $i++) {