Suppress cppcheck findings in more third party code

Author: azonenberg

CMakeLists.txt

@@ -293,7 +293,7 @@ if(ANALYZE)
 		execute_process(COMMAND ${CPPCHECK_PATH} "--version" OUTPUT_VARIABLE CPPCHECK_VER_STR ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
 		string(REPLACE "Cppcheck " "" CPPCHECK_VERSION ${CPPCHECK_VER_STR})
 		if(CPPCHECK_VERSION VERSION_GREATER_EQUAL "2")
-			set(CMAKE_CXX_CPPCHECK "${CPPCHECK_PATH};-DFT_USE_AUTOCONF_SIZEOF_TYPES;-D__GNUC__;--enable=warning,performance,portability;--suppress=*:*sigc*;--suppress=*:*glibmm*;--suppress=*:*gtkmm*;--suppress=*:*imgui*;--suppress=*:*nativefiledialog*;--suppress=*:*tests*/*;--inline-suppr;-q;--std=c++17")
+			set(CMAKE_CXX_CPPCHECK "${CPPCHECK_PATH};-DFT_USE_AUTOCONF_SIZEOF_TYPES;-D__GNUC__;--enable=warning,performance,portability;--suppress=*:*sigc*;--suppress=*:*glibmm*;--suppress=*:*gtkmm*;--suppress=*:*imgui*;--suppress=*:*nativefiledialog*;--suppress=*:*tests*/*;--suppress=*:*canvas_ity*/*;--inline-suppr;-q;--std=c++17")
 			message(STATUS "Found CPPCheck: ${CPPCHECK_PATH} (found version \"${CPPCHECK_VERSION}\")")
 		else()
 			message(STATUS "Found CPPCheck: ${CPPCHECK_PATH} but ignored it as it was ${CPPCHECK_VERSION} < 2")