Statistics frametime jitter standard deviation overlaps value on default floater size

[AtlasLinden]

Environment

Second Life Project Gltf Mesh Import 7.1.14.15976006598 (64bit)

Description

The default size of the Statistics floater shows the "frametime jitter standard deviation" text overlapping with its corresponding value.

Reproduction steps

Open the Statistics floater (Ctrl+Shift+1) with a user that hasn't opened it before.
Alternatively, rename the users settings_per_account.xml file before logging in.

[kylelinden]

Please abbreviate text label for standard deviation

[Dan-Linden]

Passed QA.
Verified on Second Life Release 7.2.0.16356654553 on Win10/OSX in the scope of https://github.com/secondlife/iqa/issues/530