Fix vpp built-in version of api_unformat_sw_if_index(...)

Change-Id: I103fe19a1ecbaf3746ec6b957fa1010458cc9fae
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c
index ce38f9f..6093e2a 100644
--- a/src/vnet/classify/vnet_classify.c
+++ b/src/vnet/classify/vnet_classify.c
@@ -1093,8 +1093,6 @@
 
 uword unformat_classify_mask (unformat_input_t * input, va_list * args)
 {
-  vnet_classify_main_t * CLIB_UNUSED(cm) 
-    = va_arg (*args, vnet_classify_main_t *);
   u8 ** maskp = va_arg (*args, u8 **);
   u32 * skipp = va_arg (*args, u32 *);
   u32 * matchp = va_arg (*args, u32 *);
@@ -1417,7 +1415,7 @@
     else if (unformat (input, "table %d", &table_index))
       ;
     else if (unformat (input, "mask %U", unformat_classify_mask, 
-                       cm, &mask, &skip, &match))
+                       &mask, &skip, &match))
       ;
     else if (unformat (input, "memory-size %uM", &tmp))
       memory_size = tmp<<20;