[ci skip] added which issue is resolved and added to RELEASE.txt

Author: bdbaddog

CHANGES.txt

@@ -18,7 +18,7 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
 
   From Bill Prendergast:
     - Fixed SCons.Variables.PackageVariable to correctly test the default
-      setting against both enable & disable strings.
+      setting against both enable & disable strings. (Fixes #4702)
     - Extended unittests (crudely) to test for correct/expected response
       when default setting is a boolean string.
 

RELEASE.txt

@@ -32,7 +32,8 @@ CHANGED/ENHANCED EXISTING FUNCTIONALITY
 FIXES
 -----
 
-- List fixes of outright bugs
+- Fixed SCons.Variables.PackageVariable to correctly test the default
+  setting against both enable & disable strings. (Fixes #4702)
 
 IMPROVEMENTS
 ------------