Fix two unparsable Javadoc comments

k9mail/src/main/java/com/fsck/k9/mailstore/LockableDatabase.java

@@ -147,7 +147,7 @@ public class LockableDatabase {
      * @param uUid
      *            Never <code>null</code>.
      * @param schemaDefinition
-     *            Never <code>null</code
+     *            Never <code>null</code>.
      */
     public LockableDatabase(final Context context, final String uUid, final SchemaDefinition schemaDefinition) {
         this.context = context;

k9mail/src/main/java/com/fsck/k9/view/FoldableLinearLayout.java

@@ -20,12 +20,14 @@ import android.widget.TextView;
 /**
  * Class representing a LinearLayout that can fold and hide it's content when
  * pressed To use just add the following to your xml layout
- * <com.fsck.k9.view.FoldableLinearLayout
+ * <pre>{@code
+ *<com.fsck.k9.view.FoldableLinearLayout
  *    android:layout_width="wrap_content" android:layout_height="wrap_content"
  *    custom:foldedLabel="@string/TEXT_TO_DISPLAY_WHEN_FOLDED"
  *    custom:unFoldedLabel="@string/TEXT_TO_DISPLAY_WHEN_UNFOLDED">
  *    <include layout="@layout/ELEMENTS_TO_BE_FOLDED"/>
- * </com.fsck.k9.view.FoldableLinearLayout>
+ *</com.fsck.k9.view.FoldableLinearLayout>}
+ * </pre>
  */
 public class FoldableLinearLayout extends LinearLayout {