fix(zprint): wget zprint in travis

Author: agriffis

Diff for: .travis.yml

@@ -1,5 +1,7 @@
 language: generic
 env:
+  global:
+    - ZPRINT_VERSION=0.5.3
   matrix:
     # This Maktaba version should match the minimum required in instant/flags.vim.
     - CI_TARGET=vim MAKTABA_VERSION=1.10.0
@@ -20,6 +22,9 @@ before_script:
   - sudo dpkg -i ./vroom_0.12.0-1_all.deb
   - git clone -b ${MAKTABA_VERSION} https://github.com/google/vim-maktaba.git ../maktaba/
   - git clone https://github.com/google/vim-glaive.git ../glaive/
+  - wget https://github.com/kkinnear/zprint/releases/download/${ZPRINT_VERSION}/zprintl-${ZPRINT_VERSION}
+  - sudo mv zprintl-${ZPRINT_VERSION} /usr/local/bin/zprint
+  - sudo chmod +x /usr/local/bin/zprint
 services:
   - xvfb
 script: