checkin for bstell@netscape.com:

bug 61422, r=ftang@netscape.com, sr=brendan@mozilla.org
Add the XLDF charset/encoding tags for the sub planes of a cns font.
It is really just one font split into sub-planes.

gfx/src/gtk/nsFontMetricsGTK.cpp

@@ -327,6 +327,13 @@ static nsFontCharSetMap gCharSetMap[] =
   { "cns11643.1992-6",    &CNS116436     },
   { "cns11643.1992.7-0",  &CNS116437     },
   { "cns11643.1992-7",    &CNS116437     },
+  { "cns11643-1",         &CNS116431     },
+  { "cns11643-2",         &CNS116432     },
+  { "cns11643-3",         &CNS116433     },
+  { "cns11643-4",         &CNS116434     },
+  { "cns11643-5",         &CNS116435     },
+  { "cns11643-6",         &CNS116436     },
+  { "cns11643-7",         &CNS116437     },
   { "cp1251-1",           &CP1251        },
   { "dec-dectech",        &Unknown       },
   { "dtsymbol-1",         &Unknown       },