Fix Cppcheck warning; make ImportProject::FileSettings::parseCommandDefine() static

Author: danmar

lib/importproject.h

@@ -79,7 +79,7 @@ class CPPCHECKLIB ImportProject {
         void parseCommand(const std::string &command);
 
         void parseCommandStd(const std::string& command, std::string::size_type *pos, std::string& defs);
-        void parseCommandDefine(const std::string& command, std::string::size_type *pos, std::string& defs);
+        static void parseCommandDefine(const std::string& command, std::string::size_type *pos, std::string& defs);
         void parseCommandUndefine(const std::string& command,  std::string::size_type *pos);
         void parseCommandInclude(const std::string& command,  std::string::size_type *pos);
         void parseCommandSystemInclude(const std::string& command,  std::string::size_type *pos);