fix compile error · ikpil/DotRecast@5911510

The variable 'f1' is assigned but its value is never used

Unreachable code detected

The field 'CrowdSampleTool._expandDebugDraw' is assigned but its value is never used

The field 'CrowdSampleTool._expandSelectedDebugDraw' is assigned but its value is never used

The field 'CrowdSampleTool._showLabels' is assigned but its value is never used

The field 'RecastDemo.movedDuringPan' is assigned but its value is never used

The field 'RecastDemo.markerPositionSet' is assigned but its value is never used

The field 'CrowdSampleTool._showPerfGraph' is assigned but its value is never used

The variable 'f1' is assigned but its value is never used

Unreachable code detected

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