Don't require a space after (todo)/(todoi)'s contents.

The DB and KA configurations have different console terminal widths, and
format these lists differently: DB puts a space after the right bracket,
and KA doesn't, so the build was hanging here on KA.

build/build.tcl

@@ -89,14 +89,14 @@ proc build_macsyma_portion {} {
     respond_load "(load \"libmax;maxmac\")"
     respond_load "(todo)"
     expect {
-	") \r" {
+	-re {\) *\r} {
 	}
         "NIL" {
 	}
     }
     type "(todoi)"
     expect {
-	") \r" {
+	-re {\) *\r} {
 	}
         "NIL" {
 	}