Include: forgot to add new file to the repository.

src/lib-sieve/plugins/include/ext-include-limits.h

+#ifndef __EXT_INCLUDE_LIMITS_H
+#define __EXT_INCLUDE_LIMITS_H
+
+#include "sieve-common.h"
+
+#define EXT_INCLUDE_MAX_NESTING_LEVEL 10
+#define EXT_INCLUDE_MAX_INCLUDES      255
+
+#endif /* __EXT_INCLUDE_LIMITS_H */