fix builtins to keep them from obliterating stack values.

src/main/java/lua/Builtin.java

@@ -50,7 +50,7 @@ final class Builtin extends LFunction {
 		default:
 			luaUnsupportedOperation();
 		}
-		state.adjustTop(base-1+returnValues);
+		state.adjustTop(base+returnValues);
 	}
 
 }

src/test/res/compile.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 LUA_HOME=/cygdrive/c/programs/lua5.1
 TESTS="test1 test2 test3 test4 test5"
-TESTS="test3"
+TESTS="test2"
 for x in $TESTS
 do
     echo compiling $x