Fix Makefile.PL's is_upgrading_needed() routine (RT #58771)
-rw-r--r-- .gitignore
-rw-r--r-- .shipit
-rw-r--r-- Changes
-rw-r--r-- IDEAS.txt
-rw-r--r-- MANIFEST.SKIP
-rw-r--r-- Makefile.PL
drwxr-xr-x lib
drwxr-xr-x t