changed typo in gpsr filename

ps-config/gpsr/gpsr.conf

@@ -9,7 +9,7 @@ openDeviceDirectly=yes;
 name=gpsr;
 hmm=../../../pocketsphinx/model/en-us/en-us;
 dict=../../psGrammar/dictionary/tobiDic.dic;
-jsgf=../../psGrammar/gpsr/gpsr.jsfg;
+jsgf=../../psGrammar/gpsr/gpsr.jsgf;
 rsbscope=/speechrec/psa/gprs;
 bestpath=no;
 autoload=yes;