fucking missing comma

Fixes #3127
Closes #3131

// FREEBIE

build.gradle

@@ -192,7 +192,7 @@ android {
                           'proguard-spongycastle.pro',
                           'proguard-rounded-image-view.pro',
                           'proguard-glide.pro',
-                          'proguard-shortcutbadger.pro'
+                          'proguard-shortcutbadger.pro',
                           'proguard.cfg'
             signingConfig signingConfigs.release
         }