checkpatch: spell check reudce

References: http://mid.gmane.org/1424977312-24902-1-git-send-email-ville.syrjala@linux.intel.com

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index fc7fd52..bb8e4d0 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -825,6 +825,7 @@
 retreive||retrieve
 retrive||retrieve
 retuned||returned
+reudce||reduce
 reuest||request
 reuqest||request
 reutnred||returned