LineSegmentsGeometry: Fix typo. (#21726)

examples/js/lines/LineSegmentsGeometry.js

@@ -121,7 +121,7 @@
 
 		}
 
-		romLineSegments( lineSegments ) {
+		fromLineSegments( lineSegments ) {
 
 			const geometry = lineSegments.geometry;
 

examples/jsm/lines/LineSegmentsGeometry.js

@@ -138,7 +138,7 @@ class LineSegmentsGeometry extends InstancedBufferGeometry {
 
 	}
 
-	romLineSegments( lineSegments ) {
+	fromLineSegments( lineSegments ) {
 
 		const geometry = lineSegments.geometry;