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-rw-r--r--ext/spl/spl_heap.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/ext/spl/spl_heap.h b/ext/spl/spl_heap.h
index dfa2e3b696..0931ba728a 100644
--- a/ext/spl/spl_heap.h
+++ b/ext/spl/spl_heap.h
@@ -24,11 +24,11 @@
#include "php.h"
#include "php_spl.h"
-PHPAPI zend_class_entry *spl_ce_SplHeap;
-PHPAPI zend_class_entry *spl_ce_SplMinHeap;
-PHPAPI zend_class_entry *spl_ce_SplMaxHeap;
+extern PHPAPI zend_class_entry *spl_ce_SplHeap;
+extern PHPAPI zend_class_entry *spl_ce_SplMinHeap;
+extern PHPAPI zend_class_entry *spl_ce_SplMaxHeap;
-PHPAPI zend_class_entry *spl_ce_SplPriorityQueue;
+extern PHPAPI zend_class_entry *spl_ce_SplPriorityQueue;
PHP_MINIT_FUNCTION(spl_heap);