Rename controlDict_ member variable to dictionary_

lduMatrix/GKOCG/GKOCG.H

@@ -43,10 +43,10 @@ private:
     const label blockSize_;
 
 public:
-    GKOCGFactory(const dictionary &controlDict_)
+    GKOCGFactory(const dictionary &dictionary_)
         : preconditioner_(
-              controlDict_.lookupOrDefault("preconditioner", word("none"))),
-          blockSize_(controlDict_.lookupOrDefault("maxBlockSize", label(16))){};
+              dictionary_.lookupOrDefault("preconditioner", word("none"))),
+          blockSize_(dictionary_.lookupOrDefault("maxBlockSize", label(16))){};
 
     std::unique_ptr<gko::solver::Cg<double>::Factory,
                     std::default_delete<gko::solver::Cg<double>::Factory>>