Class BOARD: Rename an overloaded method named SetLayer with the better name...

Class BOARD: Rename an overloaded method named SetLayer with the better name SetLayerDescr, and comment it. It also remove some warnings when compiled with option -Woverloaded-virtual

pcbnew/class_board.cpp

@@ -303,7 +303,7 @@ void BOARD::PopHighLight()
 }
 
 
-bool BOARD::SetLayer( LAYER_ID aIndex, const LAYER& aLayer )
+bool BOARD::SetLayerDescr( LAYER_ID aIndex, const LAYER& aLayer )
 {
     if( unsigned( aIndex ) < DIM( m_Layer ) )
     {

pcbnew/class_board.h

@@ -661,7 +661,15 @@ public:
         return LSET::Name( aLayerId );
     }
 
-    bool SetLayer( LAYER_ID aIndex, const LAYER& aLayer );
+    /**
+     * Function SetLayerDescr
+     * returns the type of the copper layer given by aLayer.
+     *
+     * @param aIndex A layer index in m_Layer
+     * @param aLayer A reference to a LAYER description.
+     * @return false if the index was out of range.
+     */
+    bool SetLayerDescr( LAYER_ID aIndex, const LAYER& aLayer );
 
     /**
      * Function GetLayerType

pcbnew/pcb_parser.cpp

@@ -800,7 +800,7 @@ void PCB_PARSER::parseLayers() throw( IO_ERROR, PARSE_ERROR )
             if( it->m_visible )
                 visibleLayers.set( it->m_number );
 
-            m_board->SetLayer( LAYER_ID( it->m_number ), *it );
+            m_board->SetLayerDescr( LAYER_ID( it->m_number ), *it );
 
             UTF8 name = it->m_name;
 
@@ -838,7 +838,7 @@ void PCB_PARSER::parseLayers() throw( IO_ERROR, PARSE_ERROR )
 
         // DBG( printf( "aux m_visible:%s\n", layer.m_visible ? "true" : "false" );)
 
-        m_board->SetLayer( it->second, layer );
+        m_board->SetLayerDescr( it->second, layer );
 
         token = NextTok();