Update GeneratorHF_Non_Hfe.ini

Author: rashigupt

MC/config/PWGHF/ini/GeneratorHF_Non_Hfe.ini

@@ -1,6 +1,6 @@
 #### This configuration uses the Box generator to trigger π⁰/η production within the specified rapidity window
 [GeneratorExternal]
-fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/trigger/selectNonHfe.C
+fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/external/generator/selectNonHfe.C
 funcName = generatePythia8Box(0.1, 50.0)
 [GeneratorPythia8]
 config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/pythia8/generator/pythia8_NonHfe.cfg