Fix a couple of Linux build warnings

ApplicationCode/Commands/CompletionExportCommands/RicWellPathExportCompletionDataFeatureImpl.cpp

@@ -2132,7 +2132,7 @@ cvf::Vec2i RicWellPathExportCompletionDataFeatureImpl::wellPathUpperGridIntersec
     std::vector<WellPathCellIntersectionInfo> intersections =
         RigWellPathIntersectionTools::findCellIntersectionInfosAlongPath(caseData, coords, mds);
 
-    size_t gridId = 0;
+    int gridId = 0;
 
     if (!gridName.isEmpty())
     {

ApplicationCode/Commands/FractureCommands/RicCreateMultipleFracturesUi.cpp

@@ -313,7 +313,7 @@ std::vector<LocationForNewFracture> RiuCreateMultipleFractionsUi::locationsForNe
                 double  lastFracMd = mdOfWellPathTip;
                 
                 // Iterate options which are sorted from deeper to shallower
-                for(int i = 0; i < options.size(); i++)
+                for(size_t i = 0; i < options.size(); i++)
                 {
                     const auto& option = options[i];
                     double fracMdCandidate;