Good enough for working on #236

* hack to use stderr for Ruby since I can't find a better way to
  tell ruby that stdout has changed.

bugs/bug236.rb

@@ -8,6 +8,8 @@
       if RUBY_PLATFORM =~ /darwin/
         #$stderr.puts "Filenums #{STDOUT.fileno} #{STDERR.fileno}"
         #$stdout = $stderr
+        #$stdout.reopen($stdout)
+        #$stdout = IO.new(1, 'w')
       end
       $stderr.puts "STDERR OK"
       $stdout.puts "STDOUT OK" 

shoes/console/cocoa-term.m

@@ -249,11 +249,15 @@ - (void)consoleInitWithFont: (NSFont *) font
     // above results in one call to stdOutDataAvail
 
     stdout = fdopen(pipewrfd, "w");
-    printf("Hello from FILE* stdout"); // not working
+    if (setlinebuf(stdout) != 0) {
+      fprintf(stderr, "failed setlinebuffer()\n");
+    }
+    fflush(stdout);  // doesn't work
+    printf("Hello from FILE* stdout\n"); // Yay!!
 
     [outWriteHandle writeData: pipeMsgData];
-
-
+    // now convince Ruby to use the new stdout
+    rb_eval_string("$stdout = $stderr");
   } else {
     dup2fail = errno;
   }