remove infinite while loop and put condition in it.

Author: aivelon

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -528,20 +528,13 @@ public static void closeCommentRepliesFragments(@NonNull final FragmentActivity
         }
 
         // Only pop back stack entries named CommentRepliesFragment.TAG if they are at the top.
-        while (true) {
-            final int count = fm.getBackStackEntryCount();
-            if (count == 0) {
-                break;
-            }
-            final FragmentManager.BackStackEntry topEntry = fm.getBackStackEntryAt(count - 1);
-            final String topName = topEntry.getName();
-            if (CommentRepliesFragment.TAG.equals(topName)) {
-                // Safe to pop the topmost matching entry (it won't remove other unrelated entries)
-                fm.popBackStackImmediate(topName, FragmentManager.POP_BACK_STACK_INCLUSIVE);
-            } else {
-                break;
-            }
+        while (fm.getBackStackEntryCount() > 0
+                && CommentRepliesFragment.TAG.equals(fm.getBackStackEntryAt(
+                        fm.getBackStackEntryCount() - 1).getName())) {
+            fm.popBackStackImmediate(CommentRepliesFragment.TAG,
+                    FragmentManager.POP_BACK_STACK_INCLUSIVE);
         }
+
     }
 
     public static void openPlaylistFragment(final FragmentManager fragmentManager,