ext/gd/tests/gh10614.phpt: skip if no PNG support

This test uses imagecreatefrompng(), which won't be there if libgd was
built without PNG support.

Closes phpGH-14905.

Author: orlitzky

NEWS

@@ -14,6 +14,9 @@ PHP                                                                        NEWS
 - Dom:
   . Fixed bug GH-14702 (DOMDocument::xinclude() crash). (nielsdos)
 
+- Gd:
+  . ext/gd/tests/gh10614.phpt: skip if no PNG support. (orlitzky)
+
 - LibXML:
   . Fixed bug GH-14563 (Build failure with libxml2 v2.13.0). (nielsdos)
 

ext/gd/tests/gh10614.phpt

@@ -5,6 +5,9 @@ gd
 --SKIPIF--
 <?php
 if (!GD_BUNDLED && version_compare(GD_VERSION, '2.3.4', '>=')) die("skip test requires GD 2.3.4 or older");
+if (!(imagetypes() & IMG_PNG)) {
+    die("skip No PNG support");
+}
 ?>
 --FILE--
 <?php