[PATCH] Fix nbdm.c build break

[Dimitar Dimitrov]

The ndbm.c build broke with:
  Commit 357d7fcc6
  In <stdio.h> provide only necessary types

The above commit exposed a latent missing-header bug:
  newlib/newlib/libc/include/ndbm.h:83:38: error: unknown type name ‘mode_t’

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
---
 newlib/libc/include/ndbm.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/newlib/libc/include/ndbm.h b/newlib/libc/include/ndbm.h
index c5084b9c2..1e5072cf1 100644
--- a/newlib/libc/include/ndbm.h
+++ b/newlib/libc/include/ndbm.h
@@ -40,6 +40,7 @@
 #ifndef _NDBM_H_
 #define	_NDBM_H_
 
+#include <sys/types.h>	/* For mode_t. */
 /* #include <db.h> */
 
 /*
-- 
2.35.1