[java-atk-wrapper] fix build

[Samuel Thibault <sthibaul src gnome org>]

commit 42e6ac7b21612aabed86b73e519a41563339a0fc
Author: Samuel Thibault <samuel thibault ens-lyon org>
Date:   Tue Jul 9 00:27:52 2019 +0200

    fix build

 wrapper/org/GNOME/Accessibility/AtkComponent.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/wrapper/org/GNOME/Accessibility/AtkComponent.java 
b/wrapper/org/GNOME/Accessibility/AtkComponent.java
index dcfdab0..c515ab9 100644
--- a/wrapper/org/GNOME/Accessibility/AtkComponent.java
+++ b/wrapper/org/GNOME/Accessibility/AtkComponent.java
@@ -93,7 +93,7 @@ public class AtkComponent {
     }
 
     public boolean set_extents(int x, int y, int width, int height, int coord_type) {
-        AtkUtil.invokeInSwing( () -> {
+        return AtkUtil.invokeInSwing( () -> {
             if(acc_component.isVisible()){
                 final int rightX;
                 final int rightY;