Fixing build

sinwe · sinwe · commit 9b679d5114b4 · 2018-06-03T00:53:19.000+08:00
diff --git a/build.gradle b/build.gradle
@@ -48,8 +48,8 @@ ext.bintrayUsername = bintrayUser
 ext.bintrayKey = bintrayApiKey
 
 bintray {
-    user = "${ext.bintrayUsername}"
-    key = "${ext.bintrayKey}"
+    user = "$bintrayUsername"
+    key = "$bintrayKey"
     publication = ['MyPublication']
     configurations = ['archives']
     pkg {
