Fixed some formatting issues in the allocator code.

[devloop0]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:

/kind cleanup

What this PR does / Why we need it:
Fixed some refactoring issues mentioned in: #1638

Which issue(s) this PR fixes:

Closes #

Special notes for your reviewer:
@roberthbailey these are the changes from the closed PR that you suggested. I responded to the comments you made in that one, but feel free to make other comments here as well.

[agones-bot]

Build Failed 😱

Build Id: 22e103b2-7dd3-43b5-85fc-6fc4aeb4ae16

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[agones-bot]

Build Succeeded 👏

Build Id: a8119ec2-99b7-4c20-b375-20d6e0716873

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.7.0-20ae088
• image: gcr.io/agones-images/agones-sdk:1.7.0-20ae088
• image: gcr.io/agones-images/agones-ping:1.7.0-20ae088
• Linux C++ SDK (build): agonessdk-1.7.0-20ae088-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.7.0-20ae088.zip

A preview of the website (the last 30 builds are retained):

• https://20ae088-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/1643/head:pr_1643 && git checkout pr_1643
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.7.0-20ae088

[agones-bot]

Build Succeeded 👏

Build Id: cc698e1f-e273-4cca-ba8c-0bddc85c016d

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.7.0-9541342
• image: gcr.io/agones-images/agones-sdk:1.7.0-9541342
• image: gcr.io/agones-images/agones-ping:1.7.0-9541342
• Linux C++ SDK (build): agonessdk-1.7.0-9541342-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.7.0-9541342.zip

A preview of the website (the last 30 builds are retained):

• https://9541342-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/1643/head:pr_1643 && git checkout pr_1643
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.7.0-9541342

[google-oss-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: devloop0, pooneh-m, roberthbailey

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [pooneh-m,roberthbailey]

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[agones-bot]

Build Failed 😱

Build Id: 3104dc66-859c-443b-9c2a-4174946e13ea

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[agones-bot]

Build Succeeded 👏

Build Id: ffaac092-d0e5-4692-bd8b-1b7ad6d27205

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.7.0-62b4e5c
• image: gcr.io/agones-images/agones-sdk:1.7.0-62b4e5c
• image: gcr.io/agones-images/agones-ping:1.7.0-62b4e5c
• Linux C++ SDK (build): agonessdk-1.7.0-62b4e5c-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.7.0-62b4e5c.zip

A preview of the website (the last 30 builds are retained):

• https://62b4e5c-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/1643/head:pr_1643 && git checkout pr_1643
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.7.0-62b4e5c