crypto: crct10dif_generic - fix duplicated words

Change the doubled word "at" to "at a".

Signed-off-by: Randy Dunlap <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>

Author: rddunlap

crypto/crct10dif_generic.c

@@ -35,7 +35,7 @@ struct chksum_desc_ctx {
 };
 
 /*
- * Steps through buffer one byte at at time, calculates reflected
+ * Steps through buffer one byte at a time, calculates reflected
  * crc using table.
  */