Update porting/known_pod_issues.date accordingly.
porting/how_to_write_a_perldelta.pod There is no NAME 1
porting/how_to_write_a_perldelta.pod Verbatim line length including indents exceeds 80 by 3
porting/pumpkin.pod Verbatim line length including indents exceeds 80 by 9
-porting/release_managers_guide.pod Verbatim line length including indents exceeds 80 by 11
+porting/release_managers_guide.pod Verbatim line length including indents exceeds 80 by 10
porting/release_managers_guide.pod Verbatim paragraph in NAME section 1
porting/release_schedule.pod There is no NAME 1
symbian/perlutil.pod Verbatim line length including indents exceeds 80 by 4