typo fixes: occuring -> occurring

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 12dd8d4..cf404d2 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -5592,7 +5592,7 @@
 
 	/* The SCSI driver needs to adjust timeouts on all current
 	 * commands prior to the diagnostic reset being issued.
-	 * Prevents timeouts occuring during a diagnostic reset...very bad.
+	 * Prevents timeouts occurring during a diagnostic reset...very bad.
 	 * For all other protocol drivers, this is a no-op.
 	 */
 	{