Reduce padding in often-used structs

Reduce the padding in some often-used structs for 64bit machines.
32bit machines should also profit from most changes, but to a
lesser degree.

Change-Id: Ic4c67b94e962731de4f31164c52a372d78944ccc
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

src/plugins/classview/classviewsymbolinformation.h

@@ -70,10 +70,10 @@ public:
 
 private:
     int m_iconType; //!< icon type
+    uint m_hash;    //!< precalculated hash value - to speed up qHash
     QString m_name; //!< symbol name (e.g. SymbolInformation)
     QString m_type; //!< symbol type (e.g. (int char))
 
-    uint m_hash;    //!< precalculated hash value - to speed up qHash
 };
 
 //! qHash overload for QHash/QSet