Add WHITESPACE_SENSITIVE run-tests section

This is used to indicate that the test should not be changed by
automated formatting changes.

Author: nikic

Zend/tests/bug35655.phpt

@@ -6,6 +6,7 @@ highlight.comment = #FF8000
 highlight.keyword = #007700
 highlight.default = #0000BB
 highlight.html    = #000000
+--WHITESPACE_SENSITIVE--
 --FILE--
 <?php
 $code = '

Zend/tests/nowdoc_013.phpt

@@ -6,6 +6,7 @@ highlight.comment = #FF8000
 highlight.keyword = #007700
 highlight.default = #0000BB
 highlight.html    = #000000
+--WHITESPACE_SENSITIVE--
 --FILE--
 <?php
 $code = <<<'EOF'

run-tests.php

@@ -1827,7 +1827,7 @@ function run_test($php, $file, $env)
 				'CAPTURE_STDIO', 'STDIN', 'CGI', 'PHPDBG',
 				'INI', 'ENV', 'EXTENSIONS',
 				'SKIPIF', 'XFAIL', 'XLEAK', 'CLEAN',
-				'CREDITS', 'DESCRIPTION', 'CONFLICTS',
+				'CREDITS', 'DESCRIPTION', 'CONFLICTS', 'WHITESPACE_SENSITIVE',
 			))) {
 				$bork_info = 'Unknown section "' . $section . '"';
 			}