[buildbot] phase2: make sdk_password setting optional

[LEDE Commits]

jow pushed a commit to buildbot.git, branch master:
https://git.lede-project.org/dc5a2c0a7fc4ef5bfdff441c69b3b9c01f0c54b1

commit dc5a2c0a7fc4ef5bfdff441c69b3b9c01f0c54b1
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Mon Nov 14 14:46:02 2016 +0100

    phase2: make sdk_password setting optional
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 phase2/master.cfg | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/phase2/master.cfg b/phase2/master.cfg
index ea3e0fb..98a9243 100644
--- a/phase2/master.cfg
+++ b/phase2/master.cfg
@@ -72,6 +72,8 @@ rsync_sdk_pat = "lede-sdk-*.tar.xz"
 
 if ini.has_option("rsync", "sdk_url"):
 	rsync_sdk_url = ini.get("rsync", "sdk_url")
+
+if ini.has_option("rsync", "sdk_password"):
 	rsync_sdk_key = ini.get("rsync", "sdk_password")
 
 if ini.has_option("rsync", "sdk_pattern"):