CheckUnusedFunctions: made check() private

Author: firewave

lib/checkunusedfunctions.h

@@ -48,6 +48,7 @@ class CPPCHECKLIB CheckUnusedFunctions : public Check {
     friend class TestSingleExecutorBase;
     friend class TestProcessExecutorBase;
     friend class TestThreadExecutorBase;
+    friend class TestUnusedFunctions;
 
 public:
     /** @brief This constructor is used when registering the CheckUnusedFunctions */
@@ -64,9 +65,6 @@ class CPPCHECKLIB CheckUnusedFunctions : public Check {
 
     static void parseTokens(const Tokenizer *tokenizer, const Settings *settings);
 
-    // Return true if an error is reported.
-    bool check(ErrorLogger * const errorLogger, const Settings& settings) const;
-
     /** @brief Parse current TU and extract file info */
     Check::FileInfo *getFileInfo(const Tokenizer *tokenizer, const Settings *settings) const override;
 
@@ -85,6 +83,9 @@ class CPPCHECKLIB CheckUnusedFunctions : public Check {
 private:
     static void clear();
 
+    // Return true if an error is reported.
+    bool check(ErrorLogger * const errorLogger, const Settings& settings) const;
+
     void getErrorMessages(ErrorLogger */*errorLogger*/, const Settings * /*settings*/) const override {}
 
     void runChecks(const Tokenizer & /*tokenizer*/, ErrorLogger * /*errorLogger*/) override {}