fix poly clip and fix poly_remove_duplicate

src/wacom.cpp

@@ -79,7 +79,7 @@ HCTX WacomTablet::TabletInit(HWND hWnd)
         CHAR* TabletName = new CHAR[wWTInfoRetVal];
         wWTInfoRetVal = gpWTInfoA(WTI_DEVICES, DVC_NAME, TabletName);
         LOG("Tablet: %s", TabletName);
-        delete TabletName;
+        delete[] TabletName;
     }