REORG: include: move freq_ctr to haproxy/

types/freq_ctr.h was moved to haproxy/freq_ctr-t.h and proto/freq_ctr.h
was moved to haproxy/freq_ctr.h. Files were updated accordingly, no other
change was applied.
diff --git a/src/flt_spoe.c b/src/flt_spoe.c
index 930c2ec..df67a29 100644
--- a/src/flt_spoe.c
+++ b/src/flt_spoe.c
@@ -27,7 +27,7 @@
 #include <proto/arg.h>
 #include <proto/backend.h>
 #include <proto/filters.h>
-#include <proto/freq_ctr.h>
+#include <haproxy/freq_ctr.h>
 #include <proto/frontend.h>
 #include <proto/http_rules.h>
 #include <proto/log.h>