File imap-2006c1-smtp_quit.patch of Package php5-firebird

--- src/c-client/smtp.c
+++ src/c-client/smtp.c
@@ -400,6 +400,8 @@
     if (stream->netstream) {	/* do close actions if have netstream */
       smtp_send (stream,"QUIT",NIL);
       net_close (stream->netstream);
+      if (stream->netstream)   /* could have been closed during "QUIT" */
+        net_close (stream->netstream);
     }
 				/* clean up */
     if (stream->host) fs_give ((void **) &stream->host);