Update PATH for Travis so that Pandoc bins are found during test

.travis.yml

@@ -6,6 +6,7 @@ sudo: true
 env:
   global:
     - CURL="curl -fsSkL --retry 9 --retry-delay 9"
+    - OX_HUGO_TMP_DIR="/tmp/${USER}/ox-hugo-dev"
     - PANDOC_VERSION=2.5
   matrix:
   # https://github.com/npostavs/emacs-travis/releases
@@ -23,6 +24,8 @@ install:
   - tar xf emacs-bin-${EMACS_VERSION}.tar.gz -C /
   - export EMACS=/tmp/emacs/bin/emacs
   - $EMACS --version
+  # Add the yet-to-be Makefile downloaded pandoc to PATH
+  - export PATH="${OX_HUGO_TMP_DIR}/pandoc/bin:${PATH}"
 
 script:
   # Don't run "make doc" on travis; it's finicky

test/setup-ox-hugo.el

@@ -1,4 +1,4 @@
-;; Time-stamp: <2019-01-02 18:03:58 kmodi>
+;; Time-stamp: <2019-01-02 18:26:47 kmodi>
 
 ;; Setup to export Org files to Hugo-compatible Markdown using
 ;; `ox-hugo' in an "emacs -Q" environment.
@@ -250,13 +250,6 @@ Emacs installation.  If Emacs is installed using
   ;; https://www.gnu.org/software/emacs/manual/html_node/elisp/Time-Zone-Rules.html
   (setenv "TZ" "UTC")
 
-  ;; Use Pandoc binaries from `ox-hugo-tmp-dir'/bin.
-  (setenv "PATH" (concat (file-name-as-directory
-                          (expand-file-name "bin"
-                                            (expand-file-name "pandoc" ox-hugo-tmp-dir)))
-                         ":"
-                         (getenv "PATH")))
-
   ;; Force the locate to en_US for the tests.
   (set-locale-environment "en_US.UTF-8")
   (setenv "LANGUAGE" "en_US.UTF-8")