- Fix test file outputs.

ext/gd/tests/bug22544.phpt

@@ -11,7 +11,7 @@ Bug #22544 (TrueColor transparency in PNG images).
 ?>
 --FILE--
 <?php
-	$dest = dirname(realpath(__FILE__)) . 'bug22544.png';
+	$dest = dirname(realpath(__FILE__)) . '/bug22544.png';
 	@unlink($dest);
 	$image = imageCreateTruecolor(640, 100);
 	$transparent = imageColorAllocate($image, 0, 0, 0);

ext/gd/tests/bug24155.phpt

@@ -11,7 +11,7 @@ Bug #24155 (gdImageRotate270 rotation problem).
 ?>
 --FILE--
 <?php
-	$dest = dirname(realpath(__FILE__)) . 'bug24155.png';
+	$dest = dirname(realpath(__FILE__)) . '/bug24155.png';
 	@unlink($dest);
 
 	$im = imagecreatetruecolor(30, 50);

ext/gd/tests/bug27582_1.phpt

@@ -8,7 +8,7 @@ gdimagefill() function (Bug #19366 (fixed in bundled libgd))
 --FILE--
 <?php
 /* $id$ */
-$dest = dirname(realpath(__FILE__)) . 'bug27582.png';
+$dest = dirname(realpath(__FILE__)) . '/bug27582.png';
 @unlink($dest);
 $im = ImageCreateTrueColor(10, 10);
 imagealphablending($im, true);
@@ -18,6 +18,7 @@ $color = ImageColorAllocateAlpha($im, 0, 0, 0, 1);
 ImageFillToBorder($im, 5, 5, $bordercolor, $color);
 imagepng($im, $dest);
 echo md5_file($dest) . "\n";
+@unlink($dest);
 ?>
 --EXPECT--
 08287f8f5d406946009df5f04ca83dc0