Merge #13141: [doc] qt: fixes broken link on readme

12ad33a [doc] qt: fixes broken link on readme (marcoagner)

Pull request description:

  I was reading qt files and just fixed a trivial mistake on its readme file.
  "#use-qt-Creator-as IDE" should be "#using-qt-creator-as-ide"

Tree-SHA512: b2610821370dd7cac86725750ce7fd7a9e414c175e525f2e53e87302363c2a4a86206e0f9ce1d02657c751c395a33f0505953a94fd8124ea1943e39bb0711777

Author: laanwj

src/qt/README.md

@@ -16,7 +16,7 @@ To run:
 
 ### forms
 
-Contains [Designer UI](http://doc.qt.io/qt-5.9/designer-using-a-ui-file.html) files. They are created with [Qt Creator](#use-qt-Creator-as IDE), but can be edited using any text editor.
+Contains [Designer UI](http://doc.qt.io/qt-5.9/designer-using-a-ui-file.html) files. They are created with [Qt Creator](#using-qt-creator-as-ide), but can be edited using any text editor.
 
 ### locale