PHP_5_2: !__tostring cache was MFH by php

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@94 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

processor/head.m4

@@ -200,7 +200,7 @@ static void xc_fix_method(processor_t *processor, zend_op_array *dst) /* {{{ */
 		SET_IF_SAME_NAME(__isset);
 #endif
 		SET_IF_SAME_NAME(__call);
-#if PHP_MAJOR_VERSION >= 6
+#if defined(ZEND_ENGINE_2_2) || PHP_MAJOR_VERSION >= 6
 		SET_IF_SAME_NAME(__tostring);
 #endif
 

processor/processor.m4

@@ -347,7 +347,7 @@ DEF_STRUCT_P_FUNC(`zend_class_entry', , `dnl {{{
 #ifdef ZEND_ENGINE_2_1
 	COPY(__unset)
 	COPY(__isset)
-# if PHP_MAJOR_VERSION >= 6
+# if defined(ZEND_ENGINE_2_2) || PHP_MAJOR_VERSION >= 6
 	COPY(__tostring)
 # endif
 #endif