Bugfixes.

* libmailutils/mailbox/attribute.c (mu_attribute_is_equal): Fix comparison.
* libmailutils/mailbox/biffnotify.c: Add missing includes.

@@ -368,7 +368,7 @@ mu_attribute_is_equal (mu_attribute_t attr, mu_attribute_t attr2)
   int flags2 = 0, flags = 0;
   mu_attribute_get_flags (attr, &flags);
   mu_attribute_get_flags (attr2, &flags2);
-  return flags == flags;
+  return flags == flags2;
 }
 
 /*   Miscellaneous.  */

@@ -20,6 +20,8 @@
 #endif
 
 #include <unistd.h>
+#include <sys/types.h> 
+#include <sys/socket.h>
 #include <stdlib.h>
 #include <string.h>
 #include <netinet/in.h>