Someone committed a baja.js to the exec dir which broke this Makefile

Call 'baja.exe' intead of just 'baja', so Windows doesn't try to invoke baja.js

exec/Makefile

@@ -31,4 +31,4 @@ all : 	\
 
 
 .src.bin:
-	@baja /q $<
+	@baja.exe /q $<