Fix couple of doxygen errors and warnings.

src/cppcheckexecutor.h

@@ -55,13 +55,11 @@ public:
      */
     int check(int argc, const char* const argv[]);
 
-
-
     /**
      * Information about progress is directed here. This should be
      * called by the CppCheck class only.
      *
-     * @param outmsg, E.g. "Checking main.cpp..."
+     * @param outmsg Progress message e.g. "Checking main.cpp..."
      */
     virtual void reportOut(const std::string &outmsg);
 

src/preprocessor.h

@@ -98,12 +98,12 @@ protected:
     static std::string removeComments(const std::string &str);
 
     /**
-     * Returns the string between double quote characters or < > characters.
-     * @param str e.g. '#include "menu.h"' or '#include <menu.h>'
+     * Returns the string between double quote characters or \< \> characters.
+     * @param str e.g. \code#include "menu.h"\endcode or \code#include <menu.h>\endcode
      * After function call it will contain e.g. "menu.h" without double quotes.
-     * @return 0 empty string if double quotes or < > were not found.
+     * @return 0 empty string if double quotes or \< \> were not found.
      *         1 if file surrounded with "" was found
-     *         2 if file surrounded with <> was found
+     *         2 if file surrounded with \<\> was found
      */
     static int getHeaderFileName(std::string &str);
 private:

src/tokenize.h

@@ -48,6 +48,7 @@ public:
     /**
      * Tokenize code
      * @param code input stream for code, e.g.
+     * \code
      * #file "p.h"
      * class Foo
      * {
@@ -59,6 +60,7 @@ public:
      * void Foo::Bar()
      * {
      * }
+     * \endcode
      *
      * @param FileName The filename
      * @return false if Source code contains syntax errors