COMP: fix illegal character compiler warning

Change invalid character to an apostrophe in Tables module acknowledgement text.

Fixes the following compiler warning:
Slicer/Modules/Loadable/Tables/qSlicerTablesModule.cxx:95:187: warning: illegal character encoding in string literal [-Winvalid-source-encoding]
...funded by OCAIRO, the Applied Cancer Research Unit program of Cancer Care Ontario, and Department of Anesthesia and Critical Care Medicine, Children<92>s Hospital of Philadelphia.";

git-svn-id: http://svn.slicer.org/Slicer4/trunk@25118 3bd1e089-480b-0410-8dfb-8563597acbee