some minor improvements

linux/gpio/GpioIF.h

@@ -11,7 +11,7 @@ typedef uint16_t gpioId_t;
  * 			over GPIOs.
  * @author	J. Meier
  */
-class GpioIF : public HasReturnvaluesIF{
+class GpioIF : public HasReturnvaluesIF {
 public:
 
 	virtual ~GpioIF() {};
@@ -21,7 +21,7 @@ public:
 	 * @param cookie	Cookie specifying informations of the GPIOs required
 	 * 					by a object.
 	 */
-	virtual ReturnValue_t initialize(CookieIF * cookie) = 0;
+	virtual ReturnValue_t initialize(CookieIF* cookie) = 0;
 
 	/**
 	 * @brief	By implementing this function a child must provide the