doc: fix typo of GALLIUM_HUD_TOGGLE_SIGNAL
In the original commit message in 56a1c10
it was wrongly used too:
- env GALLIUM_HUD_SIGNAL_TOGGLE: toggle visibility via signal
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
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@ -215,7 +215,7 @@ Mesa EGL supports different sets of environment variables. See the
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<li>GALLIUM_HUD_TOGGLE_SIGNAL - toggle visibility via user specified signal.
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Especially useful to toggle hud at specific points of application and
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disable for unencumbered viewing the rest of the time. For example, set
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GALLIUM_HUD_VISIBLE to false and GALLIUM_HUD_SIGNAL_TOGGLE to 10 (SIGUSR1).
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GALLIUM_HUD_VISIBLE to false and GALLIUM_HUD_TOGGLE_SIGNAL to 10 (SIGUSR1).
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Use kill -10 <pid> to toggle the hud as desired.
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<li>GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc.
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rather than stderr.
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