Flush stderr on win32 in cli_log_message

This allows us to unfork a bunch of tests for Windows.

Author: nikic

ext/session/tests/bug66481-win32.phpt

@@ -4,7 +4,6 @@ Bug #66481: Calls to session_name() segfault when session.name is null.
 session.name=
 --SKIPIF--
 <?php include('skipif.inc'); ?>
-<?php if(substr(PHP_OS, 0, 3) == "WIN") die("skip Not for Windows"); ?>
 --FILE--
 <?php
 

ext/session/tests/bug66481.phpt

@@ -6,8 +6,6 @@ error_log=
 --SKIPIF--
 <?php 
 include('skipif.inc');
-if(substr(PHP_OS, 0, 3) == "WIN")
-        die("skip Not for Windows");
 ?>
 --FILE--
 <?php

ext/session/tests/rfc1867_invalid_settings-win.phpt

@@ -6,8 +6,6 @@ error_log=
 --SKIPIF--
 <?php 
 include('skipif.inc');
-if(substr(PHP_OS, 0, 3) == "WIN")
-        die("skip Not for Windows");
 ?>
 --FILE--
 <?php

ext/session/tests/rfc1867_invalid_settings.phpt

@@ -2,9 +2,6 @@
 Bug #31422 (No Error-Logging on SoapServer-Side)
 --SKIPIF--
 <?php
-if (substr(PHP_OS, 0, 3) == 'WIN') {
-    die('skip not valid for windows');
-}
 require_once('skipif.inc');
 ?>
 --INI--

ext/session/tests/rfc1867_invalid_settings_2-win.phpt

@@ -1117,11 +1117,9 @@ static ZEND_COLD void php_error_cb(int type, const char *error_filename, const u
 					if ((!strcmp(sapi_module.name, "cli") || !strcmp(sapi_module.name, "cgi")) &&
 						PG(display_errors) == PHP_DISPLAY_ERRORS_STDERR
 					) {
-#ifdef PHP_WIN32
 						fprintf(stderr, "%s: %s in %s on line %u\n", error_type_str, buffer, error_filename, error_lineno);
+#ifdef PHP_WIN32
 						fflush(stderr);
-#else
-						fprintf(stderr, "%s: %s in %s on line %u\n", error_type_str, buffer, error_filename, error_lineno);
 #endif
 					} else {
 						php_printf("%s\n%s: %s in %s on line %d\n%s", STR_PRINT(prepend_string), error_type_str, buffer, error_filename, error_lineno, STR_PRINT(append_string));

ext/session/tests/rfc1867_invalid_settings_2.phpt

@@ -379,6 +379,9 @@ static void sapi_cli_register_variables(zval *track_vars_array) /* {{{ */
 static void sapi_cli_log_message(char *message) /* {{{ */
 {
 	fprintf(stderr, "%s\n", message);
+#ifdef PHP_WIN32
+	fflush(stderr);
+#endif
 }
 /* }}} */