vppinfra: move clib_count_equal_* code

Type: refactor
Change-Id: Ib9e8abdbf745ad6563fc79c9ebb6b2ea65917d08
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vlib/drop.c b/src/vlib/drop.c
index 3971123..d025f49 100644
--- a/src/vlib/drop.c
+++ b/src/vlib/drop.c
@@ -16,6 +16,7 @@
  */
 
 #include <vlib/vlib.h>
+#include <vppinfra/vector/count_equal.h>
 
 typedef enum
 {