change fp symbol to fillable triangle

glossary.tex

@@ -668,7 +668,7 @@ Set the darker die to `\dicef{6}' and roll the other.  If this roll fails, it fa
   shortplural={FP},
   prefix={an\space},
   prefixfirst={a\space},
-  symbol={\adfdiamond},
+  symbol={\lhd},
   parent={combat},
   name={Fate Points (FP)},
   ]{fp}{FP}{Fate Point}