fix build

diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c
index b8d43f9b545ecc6a0f5859a6f774ff06456a50a7..2ab3a16237d766e2bd145e264f735afc9e12e877 100644 (file)
--- a/ext/imap/php_imap.c
+++ b/ext/imap/php_imap.c
@@ -62,7 +62,7 @@ MAILSTREAM DEFAULTPROTO;
 #define CRLF_LEN sizeof("\015\012") - 1
 #define PHP_EXPUNGE 32768
 #define PHP_IMAP_ADDRESS_SIZE_BUF 10
-#ifdef SENDBUFLEN
+#ifndef SENDBUFLEN
 #define SENDBUFLEN 16385
 #endif