fix incorrect FSF address

plugins/hextray/sdTray.cpp

@@ -13,7 +13,7 @@
  * 
  * You should have received a copy of the GNU General Public License
  * along with X-Tray; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 #define _WIN32_IE 0x601
 #include <windows.h>
@@ -204,4 +204,4 @@ void StopBlink(HWND hwnd, UINT id, HICON hBase)
 	}
 
 	SetIcon(hwnd, id, hBase);
-}
+}