gcc 4.7+ compiler warnings removed

configure/RELEASE

@@ -17,8 +17,9 @@
 # EPICS V4 Developers: Do not edit the locations in this file!
 #
 # Create a file RELEASE.local pointing to your EPICS_BASE
-# build directory, e.g.
+# and PVCOMMON build directories, e.g.
 #   EPICS_BASE = /home/install/epics/base
+#   PVCOMMON = /home/install/epicsV4/pvCommonCPP
 
 -include $(TOP)/configure/RELEASE.local
 -include $(TOP)/../RELEASE.local

pvDataApp/factory/FieldCreateFactory.cpp

@@ -94,7 +94,7 @@ String Scalar::getID() const
     return idScalarLUT[scalarType];
 }
 
-const int8 Scalar::getTypeCodeLUT() const
+int8 Scalar::getTypeCodeLUT() const
 {
     static const int8 typeCodeLUT[] = {
         0x00, // pvBoolean
@@ -170,7 +170,7 @@ ScalarArray::ScalarArray(ScalarType elementType)
 
 ScalarArray::~ScalarArray() {}
 
-const int8 ScalarArray::getTypeCodeLUT() const
+int8 ScalarArray::getTypeCodeLUT() const
 {
     static const int8 typeCodeLUT[] = {
         0x00, // pvBoolean

pvDataApp/pv/pvIntrospect.h

@@ -283,7 +283,7 @@ public:
 protected:
     Scalar(ScalarType scalarType);
 private:
-    const int8 getTypeCodeLUT() const;
+    int8 getTypeCodeLUT() const;
     ScalarType scalarType;
     friend class FieldCreate;
 };
@@ -330,7 +330,7 @@ protected:
      */
     virtual ~ScalarArray();
 private:
-    const int8 getTypeCodeLUT() const;
+    int8 getTypeCodeLUT() const;
     const String getIDScalarArrayLUT() const;
     ScalarType elementType;
     friend class FieldCreate;