⬆️ upgrade Zint to v2.13.0

Author: SpaceCafe

.travis.yml

@@ -24,14 +24,15 @@ matrix:
     sudo: require
     env:
       - QMAKE_PATH=/usr/lib/x86_64-linux-gnu/qt5/bin/qmake
+      - ZINT_VERSION=2.13.0
 
     install:
       - sudo apt-get -y install qtbase5-dev libqt5svg5-dev qttools5-dev
       - sudo apt-get -y install xvfb
       - sudo apt-get -y install pkgconf libqrencode-dev
       - sudo apt-get -y install barcode
       # Install zint from source
-      - wget https://downloads.sourceforge.net/project/zint/zint/2.12.0/zint-2.12.0-src.tar.gz && tar xzf zint-2.12.0-src.tar.gz && ( cd zint-2.12.0-src && mkdir build && cd build && cmake .. && make && sudo make install )
+      - wget https://downloads.sourceforge.net/project/zint/zint/$ZINT_VERSION/zint-$ZINT_VERSION-src.tar.gz && tar xzf zint-$ZINT_VERSION-src.tar.gz && ( cd zint-$ZINT_VERSION-src && mkdir build && cd build && cmake .. && make && sudo make install )
       - export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
 
     before_script:

docs/BUILD-INSTRUCTIONS-LINUX.md

@@ -41,9 +41,9 @@ _Zint (Optional)_
 
 Install zint from source:
 ```
-wget https://downloads.sourceforge.net/project/zint/zint/2.12.0/zint-2.12.0-src.tar.gz
-tar xzf zint-2.12.0-src.tar.gz
-cd zint-2.12.0-src/
+wget https://downloads.sourceforge.net/project/zint/zint/2.13.0/zint-2.13.0-src.tar.gz
+tar xzf zint-2.13.0-src.tar.gz
+cd zint-2.13.0-src/
 mkdir build && cd build && cmake .. && make
 sudo make install
 ```