Fix editing metadata in a nested folder causing back button to stop working.

src/views/gamelist/BasicGameListView.cpp

@@ -58,6 +58,26 @@ void BasicGameListView::setCursor(FileData* cursor)
 	{
 		populateList(cursor->getParent()->getChildren());
 		mList.setCursor(cursor);
+
+		// update our cursor stack in case our cursor just got set to some folder we weren't in before
+		if(mCursorStack.empty() || mCursorStack.top() != cursor->getParent())
+		{
+			std::stack<FileData*> tmp;
+			FileData* ptr = cursor->getParent();
+			while(ptr && ptr != mRoot)
+			{
+				tmp.push(ptr);
+				ptr = ptr->getParent();
+			}
+			
+			// flip the stack and put it in mCursorStack
+			mCursorStack = std::stack<FileData*>();
+			while(!tmp.empty())
+			{
+				mCursorStack.push(tmp.top());
+				tmp.pop();
+			}
+		}
 	}
 }