eliminate compilation warnings on AIX

diff --git a/main/rfc1867.h b/main/rfc1867.h
index e7a704f8283e1276852b65d9849ffc8aa3134c21..c191db5c4330fbc5ffd8b3971e8de728744b2111 100644 (file)
--- a/main/rfc1867.h
+++ b/main/rfc1867.h
@@ -71,6 +71,6 @@ SAPI_API SAPI_POST_HANDLER_FUNC(rfc1867_post_handler);
 
 void destroy_uploaded_files_hash(TSRMLS_D);
 void php_rfc1867_register_constants(TSRMLS_D);
-PHPAPI int (*php_rfc1867_callback)(unsigned int event, void *event_data, void **extra TSRMLS_DC);
+extern PHPAPI int (*php_rfc1867_callback)(unsigned int event, void *event_data, void **extra TSRMLS_DC);
 
 #endif /* RFC1867_H */