fix epos ini file

Author: ercolessi

MC/config/PWGLF/ini/GeneratorEPOS4_pp536TeV.ini

@@ -1,9 +1,9 @@
 [GeneratorExternal]
 fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/examples/epos4/generator_EPOS4.C
-funcName=generateEPOS4("${O2DPG_MC_CONFIG_ROOT}/MC/config/examples/epos4/generator/pp_13TeV_hydro_cascade.optns", 2147483647)
+funcName=generateEPOS4("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/epos/pp_536TeV_hydro_cascade.optns", 2147483647)
 
 [GeneratorFileOrCmd]
-cmd=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/epos/pp_536TeV_hydro_cascade.optns
+cmd=${O2DPG_MC_CONFIG_ROOT}/MC/config/examples/epos4/epos.sh
 bMaxSwitch=none
 
 # Set to version 2 if EPOS4.0.0 is used