fixed typos causing issues on latest chromium builds (stencil check mismatch)
fixed typos causing issues on latest chromium builds (stencil check mismatch)

cedricpinson/WebGL-Inspector,mcanthony/WebGL-Inspector,TheKK/WebGL-Inspector,benvanik/WebGL-Inspector,greggman/WebGL-Inspector,mcanthony/WebGL-Inspector,cedricpinson/WebGL-Inspector,greggman/WebGL-Inspector,TheKK/WebGL-Inspector,greggman/WebGL-Inspector,benvanik/WebGL-Inspector,TheKK/WebGL-Inspector,cedricpinson/WebGL-Inspector,benvanik/WebGL-Inspector,mcanthony/WebGL-Inspector