travis: fix duplicate yml addons

.travis.yml

@@ -6,9 +6,6 @@ branches:
   - master
   - v3.1
 
-addons:
-  ssh_known_hosts: github.com
-
 matrix:
   include:
   - os: linux
@@ -20,6 +17,7 @@ matrix:
     env: UPLOAD_NATIVE=true
 
 addons:
+  ssh_known_hosts: github.com
   apt:
     packages:
     - gcc-multilib

jme3-bullet-native/build.gradle

@@ -191,6 +191,7 @@ unzipBullet.dependsOn {
 }
 
 task unzipBulletIfNeeded {
+
 }
 
 unzipBulletIfNeeded.dependsOn {