Lock the addon files to this specific commit in order to avoid breaking stuff...

Lock the addon files to this specific commit in order to avoid breaking stuff if cppcheck updates without prior creation of a package by Debian

ci/cppcheck.sh

@@ -18,8 +18,8 @@ cppcheck --enable=all --inline-suppr --suppress=unusedFunction --suppress=missin
 echo -e "\033[33mRunning cppcheck with MISRA rule compliance tests...\033[0m"
 
 # grab the MISRA addon and the cppcheck addon interface from github
-curl https://raw.githubusercontent.com/danmar/cppcheck/master/addons/misra.py > misra.py
-curl https://raw.githubusercontent.com/danmar/cppcheck/master/addons/cppcheckdata.py > cppcheckdata.py
+curl https://raw.githubusercontent.com/danmar/cppcheck/f4b5b156d720c712f6ce99f6e01d8c1b3f800d52/addons/misra.py > misra.py
+curl https://raw.githubusercontent.com/danmar/cppcheck/f4b5b156d720c712f6ce99f6e01d8c1b3f800d52/addons/cppcheckdata.py > cppcheckdata.py
 
 # generate dump files (XML representations of AST etc.) for all headers, source files etc.
 for file in $(find inc/ src/ -type f)