REORG: cli: split dumpstats.h in stats.h and cli.h

proto/dumpstats.h has been split in 4 files:

  * proto/cli.h  contains protypes for the CLI
  * proto/stats.h contains prototypes for the stats
  * types/cli.h contains definition for the CLI
  * types/stats.h contains definition for the stats
diff --git a/src/checks.c b/src/checks.c
index a9b89d0..61d3768 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -39,6 +39,7 @@
 #include <types/global.h>
 #include <types/mailers.h>
 #include <types/dns.h>
+#include <types/stats.h>
 
 #ifdef USE_OPENSSL
 #include <types/ssl_sock.h>
@@ -47,7 +48,7 @@
 
 #include <proto/backend.h>
 #include <proto/checks.h>
-#include <proto/dumpstats.h>
+#include <proto/stats.h>
 #include <proto/fd.h>
 #include <proto/log.h>
 #include <proto/queue.h>