chore build: add more re_export

src/camlzip/dune

@@ -3,4 +3,6 @@
  (public_name tiny_httpd_camlzip)
  (synopsis "A wrapper around camlzip to bring compression to Tiny_httpd")
  (flags :standard -open Tiny_httpd_core -safe-string -warn-error -a+8)
- (libraries tiny_httpd.core iostream-camlzip camlzip))
+ (libraries (re_export tiny_httpd.core)
+            (re_export iostream-camlzip)
+            camlzip))

src/dune

@@ -2,5 +2,7 @@
   (name tiny_httpd)
   (public_name tiny_httpd)
   (flags :standard -open Tiny_httpd_core)
-  (libraries threads seq unix hmap tiny_httpd.core tiny_httpd.html
-             tiny_httpd.unix))
+  (libraries threads seq unix hmap
+             (re_export tiny_httpd.core)
+             (re_export tiny_httpd.html)
+             (re_export tiny_httpd.unix)))

src/prometheus/dune

@@ -7,7 +7,7 @@
  (private_modules common_p_ time_)
  (flags :standard -open Tiny_httpd_core)
  (libraries
-  tiny_httpd.core unix
+  (re_export tiny_httpd.core) unix
   (select time_.ml from
    (mtime mtime.clock.os -> time_.mtime.ml)
    (-> time_.default.ml))))

src/ws/dune

@@ -9,4 +9,4 @@
     (language c)
     (names tiny_httpd_ws_stubs)
     (flags :standard -std=c99 -fPIC -O2))
-  (libraries tiny_httpd.core threads))
+  (libraries (re_export tiny_httpd.core) threads))