momentumTransportModel, twoPhaseMixture: Updated for clang

The use of move semantics differs between gcc and clang requiring a different
approach when returning a registered IOdictionary

src/MomentumTransportModels/momentumTransportModels/momentumTransportModel.C

@@ -38,7 +38,8 @@ namespace Foam
 
 // * * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * //
 
-Foam::IOdictionary Foam::momentumTransportModel::readModelDict
+Foam::typeIOobject<Foam::IOdictionary>
+Foam::momentumTransportModel::readModelDict
 (
     const objectRegistry& obr,
     const word& group,

src/MomentumTransportModels/momentumTransportModels/momentumTransportModel.H

@@ -79,7 +79,7 @@ protected:
 
     // Protected member functions
 
-        static IOdictionary readModelDict
+        static typeIOobject<IOdictionary> readModelDict
         (
             const objectRegistry& obr,
             const word& group,

src/MomentumTransportModels/momentumTransportModels/momentumTransportModelTemplates.C

@@ -40,10 +40,13 @@ inline Foam::autoPtr<MomentumTransportModel> Foam::momentumTransportModel::New
 {
     const word modelType
     (
-        momentumTransportModel::readModelDict
+        IOdictionary
         (
-            U.db(),
-            alphaRhoPhi.group()
+            momentumTransportModel::readModelDict
+            (
+                U.db(),
+                alphaRhoPhi.group()
+            )
         ).lookup("simulationType")
     );
 

src/twoPhaseModels/twoPhaseMixture/twoPhaseMixture/twoPhaseMixture.C

@@ -35,7 +35,8 @@ namespace Foam
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * //
 
-Foam::IOdictionary Foam::twoPhaseMixture::readPhasePropertiesDict
+Foam::typeIOobject<Foam::IOdictionary>
+Foam::twoPhaseMixture::readPhasePropertiesDict
 (
     const objectRegistry& obr
 )

src/twoPhaseModels/twoPhaseMixture/twoPhaseMixture/twoPhaseMixture.H

@@ -62,7 +62,7 @@ class twoPhaseMixture
 
     // Private Member Functions
 
-        static IOdictionary readPhasePropertiesDict
+        static typeIOobject<IOdictionary> readPhasePropertiesDict
         (
             const objectRegistry& obr
         );