Fix Cppcheck in Travis

Author: Omegastick

.travis.yml

@@ -23,7 +23,7 @@ before_install:
   - wget https://download.pytorch.org/libtorch/cpu/libtorch-shared-with-deps-latest.zip -O /tmp/libtorch.zip
   - unzip /tmp/libtorch.zip -d /tmp/
   # Install cppcheck
-  - git clone https://github.com/danmar/cppcheck /tmp/cppcheck
+  - git clone https://github.com/danmar/cppcheck /tmp/cppcheck && cd /tmp/cppcheck && git checkout 1.87 && cd -
   - mkdir -p /tmp/cppcheck/build && cd /tmp/cppcheck/build && cmake .. && make -j2 && sudo make install && cd -
 script:
   # Print compiler versions