On prompts don't add a new line when printing.

Review URL: http://codereview.chromium.org/414060

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@32713 0039d316-1c4b-4281-b951-d872f2087c98

drover.py

@@ -337,7 +337,7 @@ def prompt(question):
   answer = None
 
   while not answer:
-    print question + " [y|n]:"
+    print question + " [y|n]:",
     answer = sys.stdin.readline()
     if answer.lower().startswith('n'):
       return False