rth: quote the commandline properly on Windows (NFC)

This is purely for debugging purposes.  Use the subprocess.list2cmd
function to get a command line quoted for Windows quoting rules.  NFC

Author: compnerd

utils/rth

@@ -25,7 +25,10 @@ VERBOSE = True
 
 def verbose_print_command(command):
     if VERBOSE:
-        print(" ".join(pipes.quote(c) for c in command))
+        if platform.system() == 'Windows':
+            print(subprocess.list2cmdline(command))
+        else:
+            print(" ".join(pipes.quote(c) for c in command))
         sys.stdout.flush()