REORG: include: move pattern.h to haproxy/pattern{,-t}.h
It was moved as-is, except for extern declaration of pattern_reference.
A few C files used to include it but didn't need it anymore after having
been split apart so this was cleaned.
diff --git a/src/stats.c b/src/stats.c
index 8f17413..dcde9c1 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -36,6 +36,7 @@
#include <haproxy/pool.h>
#include <haproxy/list.h>
#include <haproxy/listener.h>
+#include <haproxy/pattern-t.h>
#include <haproxy/tools.h>
#include <haproxy/ticks.h>
#include <haproxy/time.h>
@@ -56,7 +57,6 @@
#include <haproxy/fd.h>
#include <haproxy/freq_ctr.h>
#include <proto/log.h>
-#include <proto/pattern.h>
#include <haproxy/pipe.h>
#include <proto/map.h>
#include <proto/proxy.h>