[PATCH] env_mmc: fix compile warning

[Lei Wen]

hexport would complain implicit declaration, if we don't add the
include file.

env_mmc.c: In function 'saveenv':
env_mmc.c:109: warning: implicit declaration of function 'hexport'

Signed-off-by: Lei Wen <leiwen at marvell.com>
---
 common/env_mmc.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/common/env_mmc.c b/common/env_mmc.c
index 3d7fceb..7c9392c 100644
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -29,6 +29,7 @@
 #include <linux/stddef.h>
 #include <malloc.h>
 #include <mmc.h>
+#include <search.h>
 #include <errno.h>

 /* references to names in env_common.c */
-- 
1.7.0.4

Best regards,
Lei

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