Fixed bug #63093 (Segfault while load extension failed in zts-build).

Author: laruence

NEWS

@@ -3,6 +3,8 @@ PHP                                                                        NEWS
 ?? ??? 2012, PHP 5.3.18
 
 - Core:
+  . Fixed bug #63093 (Segfault while load extension failed in zts-build).
+    (Laruence)
   . Fixed bug #62976 (Notice: could not be converted to int when comparing
     some builtin classes). (Laruence)
   . Fixed bug #61767 (Shutdown functions not called in certain error

Zend/zend_API.c

@@ -2122,7 +2122,9 @@ void module_destructor(zend_module_entry *module) /* {{{ */
 	/* Deinitilaise module globals */
 	if (module->globals_size) {
 #ifdef ZTS
-		ts_free_id(*module->globals_id_ptr);
+		if (*module->globals_id_ptr) {
+			ts_free_id(*module->globals_id_ptr);
+		}
 #else
 		if (module->globals_dtor) {
 			module->globals_dtor(module->globals_ptr TSRMLS_CC);