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/http_acl.c b/src/http_acl.c
index fdb5a00..b2de967 100644
--- a/src/http_acl.c
+++ b/src/http_acl.c
@@ -20,6 +20,7 @@
#include <haproxy/api.h>
#include <haproxy/chunk.h>
#include <haproxy/http.h>
+#include <haproxy/pattern.h>
#include <haproxy/pool.h>
#include <haproxy/tools.h>
#include <haproxy/version.h>
@@ -28,7 +29,6 @@
#include <proto/acl.h>
#include <haproxy/arg.h>
-#include <proto/pattern.h>
/* We use the pre-parsed method if it is known, and store its number as an