net: cleanup unsigned to unsigned int

Use of "unsigned int" is preferred to bare "unsigned" in net tree.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/filter.c b/net/core/filter.c
index 95d05a6..47a5f05 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -531,7 +531,7 @@
 			 * Compare this with conditional jumps below,
 			 * where offsets are limited. --ANK (981016)
 			 */
-			if (ftest->k >= (unsigned)(flen-pc-1))
+			if (ftest->k >= (unsigned int)(flen-pc-1))
 				return -EINVAL;
 			break;
 		case BPF_S_JMP_JEQ_K: