Index: /trunk/src/org/openstreetmap/josm/gui/GettingStarted.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/GettingStarted.java	(revision 16884)
+++ /trunk/src/org/openstreetmap/josm/gui/GettingStarted.java	(revision 16885)
@@ -8,5 +8,4 @@
 import java.awt.Graphics;
 import java.io.IOException;
-import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.util.regex.Matcher;
Index: /trunk/src/org/openstreetmap/josm/tools/ImageProvider.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/tools/ImageProvider.java	(revision 16884)
+++ /trunk/src/org/openstreetmap/josm/tools/ImageProvider.java	(revision 16885)
@@ -683,7 +683,7 @@
             try {
                 Image i = ii.getImage();
-                if(i instanceof RenderedImage) {
-                    ImageIO.write((RenderedImage)i, "png", os);
-                    return "data:image/png;base64,"+Base64.getEncoder().encodeToString(os.toByteArray());
+                if (i instanceof RenderedImage) {
+                    ImageIO.write((RenderedImage) i, "png", os);
+                    return "data:image/png;base64," + Base64.getEncoder().encodeToString(os.toByteArray());
                 }
             } catch (final IOException ioe) {