[PATCH] Documentation/DMA-API-HOWTO.txt: fix duplicated word

["Emilio López" <emilio@elopez.com.ar>]

"coherent" is written twice when it should be just once

Signed-off-by: Emilio López <emilio@elopez.com.ar>
---

The sentence still doesn't sound entirely correct in my head, maybe 
someone can propose a better rewording.

 Documentation/DMA-API-HOWTO.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index 5e98303..4ede25a 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -192,7 +192,7 @@ the case would look like this:
 		goto ignore_this_device;
 	}
 
-The coherent coherent mask will always be able to set the same or a
+The coherent mask will always be able to set the same or a
 smaller mask as the streaming mask. However for the rare case that a
 device driver only uses consistent allocations, one would have to
 check the return value from dma_set_coherent_mask().
-- 
1.9.2