Make QgsSymbolV2::renderHints() const

Author: mhugent

python/core/symbology-ng-core.sip

@@ -631,7 +631,7 @@ class QgsSymbolV2RenderContext
     void setSelected( bool selected );
 
     //! @note added in 1.5
-    int renderHints();
+    int renderHints() const;
     //! @note added in 1.5
     void setRenderHints( int hints );
 

src/core/symbology-ng/qgssymbolv2.h

@@ -98,7 +98,7 @@ class CORE_EXPORT QgsSymbolV2
     //! @note added in 1.5
     void setRenderHints( int hints ) { mRenderHints = hints; }
     //! @note added in 1.5
-    int renderHints() { return mRenderHints; }
+    int renderHints() const { return mRenderHints; }
 
     QSet<QString> usedAttributes() const;