Initialize FairSink before initializing FairSource

The order of the initialization is important since FairSource may register
objects to the output. To do this the output has already to exist which is
the case if FairSink was already initialized.
Bump the version info.

CMakeLists.txt

@@ -32,7 +32,7 @@ endforeach()
 # Set project version
 SET(FAIRROOT_MAJOR_VERSION 18)
 SET(FAIRROOT_MINOR_VERSION 0)
-SET(FAIRROOT_PATCH_VERSION 4)
+SET(FAIRROOT_PATCH_VERSION 5)
 
 # Set name of our project to "FAIRROOT".
 # Has to be done after check of cmake version

base/steer/FairRunOnline.cxx

@@ -136,8 +136,12 @@ void FairRunOnline::Init()
     fIsInitialized = kTRUE;
   }
 
-  fRootManager->InitSource();
+  // we have to initialize the sink before initializing the source
+  // This is needed in case the source registers some objects to
+  // the output
+  // In this case the output must exist
   fRootManager->InitSink();
+  fRootManager->InitSource();
 
   //  FairGeoLoader* loader = new FairGeoLoader("TGeo", "Geo Loader");
   //  FairGeoInterface* GeoInterFace = loader->getGeoInterface();