minor VertexAttributePreGL43 and ScreenQuad reformatting

core/src/main/java/com/seibel/distanthorizons/core/render/glObject/vertexAttribute/VertexAttributePreGL43.java

@@ -232,10 +232,12 @@ public final class VertexAttributePreGL43 extends VertexAttribute
 			if (pointer == null)
 			{
 				GLProxy.GL_LOGGER.debug(i + ": Null!!!!");
-				continue;
 			}
-			GLProxy.GL_LOGGER.debug(i + ": " + pointer.elementCount + ", " +
-					pointer.glType + ", " + pointer.normalized + ", " + this.strideSize + ", " + this.pointersOffset[i]);
+			else
+			{
+				GLProxy.GL_LOGGER.debug(i + ": " + pointer.elementCount + ", " +
+						pointer.glType + ", " + pointer.normalized + ", " + this.strideSize + ", " + this.pointersOffset[i]);
+			}
 		}
 		
 	}

core/src/main/java/com/seibel/distanthorizons/core/render/renderer/ScreenQuad.java

@@ -27,6 +27,10 @@ import org.lwjgl.opengl.GL32;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 
+/**
+ * Renders a full-screen textured quad to the screen. 
+ * Used in composite / deferred rendering (IE fog).
+ */
 public class ScreenQuad
 {
 	public static ScreenQuad INSTANCE = new ScreenQuad();