[Android] Upgrade Gradle to v4.1

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Dec 12 11:38:26 2017 +0100| [c0c11e11b3e1df5f9e6738f31205680222971d0b] | committer: Geoffrey Métais

Upgrade Gradle to v4.1

> https://code.videolan.org/videolan/vlc-android/commit/c0c11e11b3e1df5f9e6738f31205680222971d0b
---

 compile.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compile.sh b/compile.sh
index aaeda53d1..babefe4c7 100755
--- a/compile.sh
+++ b/compile.sh
@@ -116,7 +116,7 @@ fi
 
 if [ ! -d "gradle/wrapper" ]; then
     diagnostic "Downloading gradle"
-    GRADLE_VERSION=3.4.1
+    GRADLE_VERSION=4.1
     GRADLE_URL=https://download.videolan.org/pub/contrib/gradle/gradle-${GRADLE_VERSION}-bin.zip
     wget ${GRADLE_URL} 2>/dev/null || curl -O ${GRADLE_URL}
     checkfail "gradle: download failed"