fixed ZEND_DEBUG usage

Zend/zend.c

@@ -954,7 +954,7 @@ ZEND_API void zend_deactivate(TSRMLS_D) /* {{{ */
 
 	zend_destroy_rsrc_list(&EG(regular_list) TSRMLS_CC);
 
-#ifdef ZEND_DEBUG
+#if ZEND_DEBUG
 	if (GC_G(gc_enabled) && !CG(unclean_shutdown)) {
 		gc_collect_cycles(TSRMLS_C);
 	}

ext/interbase/php_ibase_includes.h

@@ -35,6 +35,7 @@
 
 #define IB_STATUS (IBG(status))
 
+/* XXX ZEND_DEBUG_ is misleading, it should be something like IBASE_DEBUG. */
 #ifdef ZEND_DEBUG_
 #define IBDEBUG(a) php_printf("::: %s (%d)\n", a, __LINE__);
 #endif

ext/standard/html.c

@@ -901,7 +901,7 @@ static inline size_t write_octet_sequence(unsigned char *buf, enum entity_charse
 #if 0
 		return php_mb2_int_to_char(buf, code);
 #else
-#ifdef ZEND_DEBUG
+#if ZEND_DEBUG
 		assert(code <= 0xFFU);
 #endif
 		*buf = code;
@@ -912,7 +912,7 @@ static inline size_t write_octet_sequence(unsigned char *buf, enum entity_charse
 #if 0 /* idem */
 		return php_mb2_int_to_char(buf, code);
 #else
-#ifdef ZEND_DEBUG
+#if ZEND_DEBUG
 		assert(code <= 0xFFU);
 #endif
 		*buf = code;