Add all missing functions to Pod::Functions.

Add all missing functions to Pod::Functions.

evalbytes was added to perlfunc.pod by commit 7289c5e6ca773d7c in Nov 2011.
fc was added to perlfunc.pod by commit 628253b8ba8b9cbe in Jan 2012.
say was added by commit 0d863452f5cac863 in Dec 2005.
state was added.pod by commit 36fb85f3330d45ee in Jul 2006.
__FILE__, __LINE__ and __PACKAGE__ were added by commit cfa52385fa426b5e in
Aug 2011, and __SUB__ by commit 84ed01088568ffe9 in Nov 2011.

Again, tweak the golden results in the test to match these changes.