CLEANUP: cache: don't export http_cache_applet anymore
This one can become static since it's not used by http/htx anymore.
diff --git a/src/cache.c b/src/cache.c
index a24c284..879e068 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -48,7 +48,7 @@
const char *cache_store_flt_id = "cache store filter";
-struct applet http_cache_applet;
+static struct applet http_cache_applet;
struct flt_ops cache_ops;
@@ -1839,7 +1839,7 @@
INITCALL1(STG_REGISTER, http_req_keywords_register, &http_req_actions);
-struct applet http_cache_applet = {
+static struct applet http_cache_applet = {
.obj_type = OBJ_TYPE_APPLET,
.name = "<CACHE>", /* used for logging */
.fct = http_cache_io_handler,