[modules/redshift] Do not block status line

Redshift might block when no network connectivity is available (if it
tries to determine the location automatically). To avoid this blocking
the whole status line, immediately release the lock in the query thread.

bumblebee/modules/redshift.py

@@ -29,6 +29,7 @@ def get_redshift_value(widget):
             except RuntimeError:
                 continue
             break
+        widget.get("condition").release()
 
         try:
             res = bumblebee.util.execute("redshift -p")
@@ -48,7 +49,6 @@ def get_redshift_value(widget):
                 else:
                     widget.set("state", "transition")
                     widget.set("transition", " ".join(line.split(" ")[2:]))
-        widget.get("condition").release()
 
 class Module(bumblebee.engine.Module):
     def __init__(self, engine, config):