Fixed overlapping views in Merge Requests fragment

app/src/main/res/layout/fragment_merge_request_discussion.xml

 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout
+<LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/root"
     android:layout_width="match_parent"
@@ -9,7 +9,8 @@
     <com.commit451.gitlab.view.LabCoatSwipeRefreshLayout
         android:id="@+id/swipe_layout"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="0dp"
+        android:layout_weight="1">
         <android.support.v7.widget.RecyclerView
             android:id="@+id/list"
@@ -26,4 +27,4 @@
     <include layout="@layout/progress_fullscreen" />
-</FrameLayout>
\ No newline at end of file
+</LinearLayout>
\ No newline at end of file