use argument program, not current program, when sniffing uniforms
use argument program, not current program, when sniffing uniforms

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