[client] Fix a few referencing errors

Nibriboard/ClientFiles/CursorSyncer.js

@@ -28,8 +28,8 @@ class CursorSyncer
 	{
 		return new ChunkReference(
 			this.boardWindow.currentPlaneName, 
-			Math.floor(locRef.x / this.boardWindow.gridSize),
-			Math.floor(locRef.y / this.boardWindow.gridSize)
+			Math.floor(this.absCursorPosition.x / this.boardWindow.gridSize),
+			Math.floor(this.absCursorPosition.y / this.boardWindow.gridSize)
 		);
 	}
 	

Nibriboard/ClientFiles/Pencil.js

@@ -150,7 +150,7 @@ class Pencil
 				
 				let lineToErase = hoverChunk.getLineUnderPoint(cursorPos);
 				if(lineToErase == null) {
-					console.debug(`No line found at abs ${locRef}.`);
+					console.debug(`No line found at abs ${cursorPos}.`);
 					break; // There's no line underneath the cursor atm
 				}