Corrected the "format" command, which failed to return TCL_OK

after executing the command with non-zero options.

VERSION

@@ -1 +1 @@
-1.5.208
+1.5.209

tcltk/tclnetgen.c

@@ -2066,6 +2066,7 @@ _netcmp_format(ClientData clientData,
 	Tcl_WrongNumArgs(interp, 1, objv, "[col1_width [col2_width]]");
 	return TCL_ERROR;
     }
+    return TCL_OK;
 }
 
 /*------------------------------------------------------*/