Fixes controller for when it was already running, then blocked and finally unblocked again.
Previously no new request was generated.
Now unblock will correctly trigger a request again.
Coverage increased (+0.006%) to 20.986% when pulling 46360eb44d28905c005f3d1f2b892af43bf64f13 on Zanthelo:controller_block_fix into 0a088e39653beb80f2e17feede089dc165e5df91 on cginternals:master.
Fixes controller for when it was already running, then blocked and finally unblocked again. Previously no new request was generated. Now unblock will correctly trigger a request again.