Adapt the FlingView assert to fragment

vlc-android/src/org/videolan/vlc/widget/FlingViewGroup.java

@@ -80,17 +80,12 @@ public class FlingViewGroup extends ViewGroup {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 
         final int width = MeasureSpec.getSize(widthMeasureSpec);
+
         final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
-        final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
 
-        //FIXME I had to comment this block after switching to Fragments
-        // I don't know if it was useful or not, but apparently it still works without.
-        /*
-        if (widthMode != MeasureSpec.EXACTLY ||
-                heightMode != MeasureSpec.EXACTLY) {
+        if (widthMode != MeasureSpec.EXACTLY ) {
             throw new IllegalStateException("can only be used in EXACTLY mode.");
         }
-        */
 
         final int count = getChildCount();
         for (int i = 0; i < count; i++) {