add missing comma
A missing comma is breaking the option parsing for the signing tools
(this doesn't affect any device code, only the signing tools).
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 041daf4..26f216d 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -308,7 +308,7 @@
OPTIONS.search_path = a
elif o in ("-s", "--device_specific"):
OPTIONS.device_specific = a
- elif o in ("-x" "--extra"):
+ elif o in ("-x", "--extra"):
key, value = a.split("=", 1)
OPTIONS.extras[key] = value
else:
