Eval the org-hugo--get-tags alias each time

Earlier, it got byte-compiled and so the compiled ox-hugo couldn't be
used between old and new Org versions.

Workaround is to wrap the logic in with-no-warnings.

ox-hugo.el

@@ -82,19 +82,18 @@
 (define-obsolete-function-alias 'org-hugo-export-subtree-to-md-after-save 'org-hugo-export-wim-to-md-after-save "2017-11-30")
 
 ;; Using the correct function for getting inherited Org tags.
-(defmacro org-hugo--get-tags-alias ()
-  "Generate alias to point to the correct fn for getting inherited Org tags."
-  ;; Starting Org 9.2, `org-get-tags' returns all the inherited tags
-  ;; instead of returning only the local tags i.e. only the current
-  ;; headline tags.
-  ;; https://code.orgmode.org/bzg/org-mode/commit/fbe56f89f75a8979e0ba48001a822518df2c66fe
-  ;; For Org <= 9.1, `org-get-tags' returned a list of tags *only* at
-  ;; the current heading, while `org-get-tags-at' returned inherited
-  ;; tags too.
+;; Starting Org 9.2, `org-get-tags' returns all the inherited tags
+;; instead of returning only the local tags i.e. only the current
+;; headline tags.
+;; https://code.orgmode.org/bzg/org-mode/commit/fbe56f89f75a8979e0ba48001a822518df2c66fe
+
+;; For Org <= 9.1, `org-get-tags' returned a list of tags *only* at
+;; the current heading, while `org-get-tags-at' returned inherited
+;; tags too.
+(with-no-warnings
   (if (fboundp #'org--get-local-tags)   ;If using Org 9.2+
-      `(defalias 'org-hugo--get-tags 'org-get-tags)
-    `(defalias 'org-hugo--get-tags 'org-get-tags-at)))
-(org-hugo--get-tags-alias)
+      (defalias 'org-hugo--get-tags 'org-get-tags)
+    (defalias 'org-hugo--get-tags 'org-get-tags-at)))
 
 (defvar org-hugo--subtree-coord nil
   "Variable to store the current valid Hugo subtree coordinates.