SOCIAL-376 FIX Tooltips with unicode characters show ???????? in Webkit 4.7

Rebuild of Mac llqtwebkit library from revision 7a78d43fe8d2 in hg.secondlife.com/llqtwebkit.

install.xml

@@ -981,9 +981,9 @@ anguage Infrstructure (CLI) international standard</string>
           <key>darwin</key>
           <map>
             <key>md5sum</key>
-            <string>3ff731e8da5f6ed7c5f06103aff7050c</string>
+            <string>d7bd19331996264c1b2b944575fc63f8</string>
             <key>url</key>
-            <uri>http://viewer-source-downloads.s3.amazonaws.com/install_pkgs/llqtwebkit-darwin-qt4.7.1-20101203.tar.bz2</uri>
+            <uri>http://viewer-source-downloads.s3.amazonaws.com/install_pkgs/llqtwebkit-darwin-qt4.7.1-20101215.tar.bz2</uri>
           </map>
           <key>linux</key>
           <map>