[ci skip] Update CHANGES.txt with reference to Issue being fixed #2291

Author: bdbaddog

CHANGES.txt

@@ -18,10 +18,11 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
     - Fix yacc tool, not respecting YACC set at time of tool initialization.
     - Refactor SCons.Tool to move all common shared and loadable module linking logic to SCons.Tool.linkCommon
     - Remove pywin32 imports from SCons.Script.Main. No longer needed.
-    - pywin32 no longer necessary for SCons install. (pip install SCons will no longer also require pywin32 on win32)
-    - Remove pywin32 usage from SCons.Util where it was used for accessing the registry. Python native winreg
-      library already includes this functionality.
-    - Remove using pywin32 to retrieve peak memory usage on Win32 for `--debug=memory`
+    - Switch to use ctypes instead of pywin32 (requiring an extra pip install) - Fixes Github Issue #2291
+       - pywin32 no longer necessary for SCons install. (pip install SCons will no longer also require pywin32 on win32)
+       - Remove pywin32 usage from SCons.Util where it was used for accessing the registry. Python native winreg
+         library already includes this functionality.
+       - Remove using pywin32 to retrieve peak memory usage on Win32 for `--debug=memory`
 
   From Michał Górny:
     - Fix dvipdf test failure due to passing incorrect flag to dvipdf.