Fix bug #71694

Exports contants CURLM_ADDED_ALREADY.

Author: mpyw

NEWS

@@ -6,6 +6,9 @@ PHP                                                                        NEWS
   . Fixed bug #71596 (Segmentation fault on ZTS with date function
     (setlocale)). (Anatol)
 
+- Curl:
+  . Fixed bug #71694 (Support constant CURLM_ADDED_ALREADY). (mpyw)
+
 - ODBC:
   . Fixed bug #47803, #69526 (Executing prepared statements is succesfull only
     for the first two statements). (einavitamar at gmail dot com, Anatol)

ext/curl/interface.c

@@ -831,6 +831,9 @@ PHP_MINIT_FUNCTION(curl)
 	REGISTER_CURL_CONSTANT(CURLM_INTERNAL_ERROR);
 	REGISTER_CURL_CONSTANT(CURLM_OK);
 	REGISTER_CURL_CONSTANT(CURLM_OUT_OF_MEMORY);
+#if LIBCURL_VERSION_NUM >= 0x072001 /* Available since 7.32.1 */
+	REGISTER_CURL_CONSTANT(CURLM_ADDED_ALREADY);
+#endif
 
 	/* Curl proxy constants */
 	REGISTER_CURL_CONSTANT(CURLPROXY_HTTP);