RimJobCollection: Forward-declare RimGenericJob in header

Move the RimGenericJob include from the header to the .cpp now that
PdmObjectCollection<T> permits forward-declared template parameters.

ApplicationLibCode/ProjectDataModel/Jobs/RimJobCollection.cpp

@@ -21,6 +21,7 @@
 #include "RiaLogging.h"
 
 #include "Rim3dView.h"
+#include "RimGenericJob.h"
 #include "RimGridView.h"
 #include "RimProject.h"
 

ApplicationLibCode/ProjectDataModel/Jobs/RimJobCollection.h

@@ -17,12 +17,12 @@
 /////////////////////////////////////////////////////////////////////////////////
 #pragma once
 
-#include "RimGenericJob.h"
-
 #include "cafPdmObjectCollection.h"
 
 #include <QString>
 
+class RimGenericJob;
+
 class RimJobCollection : public caf::PdmObjectCollection<RimGenericJob>
 {
     CAF_PDM_HEADER_INIT;