Correct 2 pod formatting errors.

git-svn-id: https://svn.parrot.org/parrot/trunk@48875 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ext/nqp-rx/src/stage0/HLL-s0.pir

@@ -129,12 +129,16 @@ and HLL::Grammar.
 # continue to build from an older Parrot until parrot's trunk
 # is working again.  When we're able to bump PARROT_REVISION,
 # this code can go away to fall back to Parrot's version (DRY).
+=over 4
+
 =item lineof(target, pos [, cache :named('cache')])
 
 Return the line number of offset C<pos> within C<target>.  The return
 value uses zero for the first line.  If C<cache> is true, then
 memoize the line offsets as a C<!lineof> property on C<target>.
 
+=back
+
 =cut
 
 .sub 'lineof' :method