acks: Add 2 names to the ACKNOWLEDGEMENTS file.

ACKNOWLEDGEMENTS

@@ -375,6 +375,7 @@ today.  The names appear in order of pledging.
   759 Padraic D. Hallinan
   760 Rob Fairbairn
   763 Zac Luzader
+  768 Sam Shams
   773 terje nagel, dk
   775 Luc LEGER
   782 Luis M. Morales S.
@@ -889,6 +890,7 @@ today.  The names appear in order of pledging.
  1922 Nicci Tofts
  1925 Joshua Coxwell
  1926 Franklin Hamilton
+ 1928 Peter Korcz
  1929 Leroy Douglas
  1930 A ナルと fan from Nigeria who likes smileys, here's one for good measure  :)
  1931 Kimmo Lahtinen, Finland