fix(sim) Add GetSaveCurrentEvent() to FairMCApplication

Allows the user to get the state of the fSaveCurrentEvent flag.

Fixes issue #1604.

Author: karabowi

fairroot/base/sim/FairMCApplication.h

@@ -219,6 +219,12 @@ class FairMCApplication : public TVirtualMCApplication
      */
     void SetSaveCurrentEvent(Bool_t set) { fSaveCurrentEvent = set; }
 
+    /**
+     * Returns the state of the flag deciding whether the current event
+     * is goint to be stored.
+     */
+    Bool_t GetSaveCurrentEvent() { return fSaveCurrentEvent; }
+
     /**
      * Get the current application state.
      */