sane.ds: Eliminate incorrect TWRC_FAILURE return.
diff --git a/dlls/sane.ds/capability.c b/dlls/sane.ds/capability.c
index bc6a8d3..1755b6c 100644
--- a/dlls/sane.ds/capability.c
+++ b/dlls/sane.ds/capability.c
@@ -257,10 +257,6 @@
         case ICAP_XFERMECH:
             twCC = SANE_ICAPXferMech (pCapability, action);
             break;
-
-        default:
-            twCC = TWRC_FAILURE;
-
     }
 
     return twCC;