Add missing thing to changes file

dist/changes-1.3.0

@@ -48,6 +48,7 @@ Project support
    * The qmake step is a lot smarter and tries harder to not run
    * By default projects using the Microsoft Visual Studio toolchain use jom
      instead of nmake, for better utilization of all processors.
+   * Show subdirectory structure below .pro/.pri files in project tree
 
 Compilation
    * Support distributed compilation on Windows/MSVC via jom