meson: Update default project version

* Update to use ninja v1.9.0 on CI

.travis.yml

@@ -184,7 +184,7 @@ matrix:
       compiler: clang
       install:
         - sudo apt-get install -qq liblz4-dev valgrind tree
-        - travis_retry curl -o ~/ninja.zip -L 'https://github.com/ninja-build/ninja/releases/download/v1.8.2/ninja-linux.zip'
+        - travis_retry curl -o ~/ninja.zip -L 'https://github.com/ninja-build/ninja/releases/download/v1.9.0/ninja-linux.zip'
             && unzip ~/ninja.zip -d ~/.local/bin
         - travis_retry curl -o ~/get-pip.py -L 'https://bootstrap.pypa.io/get-pip.py'
             && python3 ~/get-pip.py --user

build/meson/meson.build

@@ -16,7 +16,9 @@ project('zstd',
     'cpp_std=c++11',
     'buildtype=release'
   ],
-  version: '1.3.8',
+  # Fall-back version in case of extracting version number from
+  # `zstd.h` failed.
+  version: '1.4.0',
   meson_version: '>=0.47.0')
 
 cc = meson.get_compiler('c')