bitbake: goggle: fix invalid error check

runCommand was returning 'error' but checking for 'err'
resulting in an exception.

(Bitbake rev: 263aa44ed47e0cb03e1a97e7ed4a50bd9f828c78)

Signed-off-by: Martin Donnelly <martin.donnelly@ge.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/goggle.py

@@ -81,7 +81,7 @@ def main (server, eventHandler):
 
     try:
         cmdline, error = server.runCommand(["getCmdLineAction"])
-        if err:
+        if error:
             print("Error getting bitbake commandline: %s" % error)
             return 1
         elif not cmdline: