Fix some doxygen warnings

lib/importproject.cpp

@@ -116,7 +116,7 @@ static bool simplifyPathWithVariables(std::string &s, std::map<std::string, std:
         if (it1 == variables.end()) {
             const char *envValue = std::getenv(var.c_str());
             if (!envValue) {
-                //! @TODO generate a debug/info message about undefined variable
+                //! \todo generate a debug/info message about undefined variable
                 break;
             }
             variables[var] = std::string(envValue);

lib/suppressions.h

@@ -125,9 +125,7 @@ public:
     /**
      * @brief Don't show this error. File and/or line are optional. In which case
      * the errorId alone is used for filtering.
-     * @param errorId the id for the error, e.g. "arrayIndexOutOfBounds"
-     * @param file File name with the path, e.g. "src/main.cpp"
-     * @param line number, e.g. "123"
+     * @param suppression suppression details
      * @return error message. empty upon success
      */
     std::string addSuppression(const Suppression &suppression);

lib/tokenize.h

@@ -884,7 +884,7 @@ private:
     /** variable count */
     unsigned int _varId;
 
-    /** unnamed count "Unnamed0", "Unnamed1", "Unnamed2", .. */
+    /** unnamed count "Unnamed0", "Unnamed1", "Unnamed2", ... */
     unsigned int _unnamedCount;
 
     /**