Examples: Clarify variable names

examples/webgl_buffergeometry_points_interleaved.html

@@ -111,11 +111,11 @@
 
 				}
 
-				var interleavedPositionBuffer = new THREE.InterleavedBuffer( interleavedFloat32Buffer, 4 );
-				var interleavedColorBuffer = new THREE.InterleavedBuffer( interleavedUint8Buffer, 16 );
+				var interleavedBuffer32 = new THREE.InterleavedBuffer( interleavedFloat32Buffer, 4 );
+				var interleavedBuffer8 = new THREE.InterleavedBuffer( interleavedUint8Buffer, 16 );
 
-				geometry.addAttribute( 'position', new THREE.InterleavedBufferAttribute( interleavedPositionBuffer, 3, 0, false ) );
-				geometry.addAttribute( 'color', new THREE.InterleavedBufferAttribute( interleavedColorBuffer, 3, 12, true ) );
+				geometry.addAttribute( 'position', new THREE.InterleavedBufferAttribute( interleavedBuffer32, 3, 0, false ) );
+				geometry.addAttribute( 'color', new THREE.InterleavedBufferAttribute( interleavedBuffer8, 3, 12, true ) );
 
 				//