profiles: Last rite app-arch/defluff

Last rite app-arch/defluff, because the download
site blocks certain IP blocks from downloading files, while the package
may not be mirrored.
Masked for removal on 2018-01-12

Bug: https://bugs.gentoo.org/640508

profiles/package.mask

@@ -29,6 +29,12 @@
 
 #--- END OF EXAMPLES ---
 
+# Jonas Stein <[email protected]> (10 Dec 2017)
+# Site blocks certain IP blocks from downloading files, while the package
+# may not be mirrored. (bug #640508)
+# Masked for removal on 2018-01-12
+app-arch/defluff
+
 # Thomas Beierlein <[email protected]> (10 Dec 2017)
 # Development stopped, nasty build system.
 # Functionality superseded by media-radio/wsjtx.