Fix minor compil warnings.

gerbview/widgets/layer_widget.cpp

@@ -583,7 +583,7 @@ wxSize LAYER_WIDGET::GetBestSize() const
     wxArrayInt widths = m_LayersFlexGridSizer->GetColWidths();
     int totWidth = 0;
 
-    for( int i = 0; i < LYR_COLUMN_COUNT && i < widths.GetCount(); ++i )
+    for( int i = 0; i < LYR_COLUMN_COUNT && i < (int)widths.GetCount(); ++i )
         totWidth += widths[i];
 
     // Account for the parent's frame:
@@ -602,7 +602,7 @@ wxSize LAYER_WIDGET::GetBestSize() const
     widths = m_RenderFlexGridSizer->GetColWidths();
     totWidth = 0;
 
-    for( int i = 0; i < RND_COLUMN_COUNT && i < widths.GetCount(); ++i )
+    for( int i = 0; i < RND_COLUMN_COUNT && i < (int)widths.GetCount(); ++i )
         totWidth += widths[i];
 
     // account for the parent's frame, this one has void space of 10 PLUS a border:

pcbnew/generators/pcb_generator_meanders.cpp

@@ -204,7 +204,7 @@ public:
     }
 
     bool baselineValid() { return m_baseLine && m_baseLine->PointCount() > 1; }
-    
+
     void EditStart( GENERATOR_TOOL* aTool, BOARD* aBoard, PCB_BASE_EDIT_FRAME* aFrame,
                     BOARD_COMMIT* aCommit ) override
     {
@@ -335,7 +335,7 @@ public:
         snapToNearestTrackPoint( m_end, aBoard, netCode );
 
         VECTOR2I startSnapPoint, endSnapPoint;
-        
+
         PNS::LINKED_ITEM* startItem = PickSegment( router, m_origin, nullptr, layer, startSnapPoint );
         PNS::LINKED_ITEM* endItem = PickSegment( router, m_end, nullptr, layer, endSnapPoint );
 
@@ -976,7 +976,7 @@ public:
             m_baseLine = *baseLine;
     }
 
-    void ShowPropertiesDialog( PCB_BASE_EDIT_FRAME* aEditFrame )
+    void ShowPropertiesDialog( PCB_BASE_EDIT_FRAME* aEditFrame ) override
     {
         PNS::MEANDER_SETTINGS settings = ToMeanderSettings();
 

pcbnew/ratsnest/ratsnest_view_item.cpp

@@ -110,12 +110,12 @@ void RATSNEST_VIEW_ITEM::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
     }
 
     auto adjustColor =
-            [&]( COLOR4D& color, double brightnessDelta, double alpha )
+            [&]( COLOR4D& color_base, double brightnessDelta, double alpha )
             {
                 if( rs->GetColor( nullptr, LAYER_PCB_BACKGROUND ).GetBrightness() < 0.5 )
-                    return color.Brightened( brightnessDelta ).WithAlpha( std::min( alpha, 1.0 ) );
+                    return color_base.Brightened( brightnessDelta ).WithAlpha( std::min( alpha, 1.0 ) );
                 else
-                    return color.Darkened( brightnessDelta ).WithAlpha( std::min( alpha, 1.0 ) );
+                    return color_base.Darkened( brightnessDelta ).WithAlpha( std::min( alpha, 1.0 ) );
             };
 
     const bool curved_ratsnest = cfg->m_Display.m_DisplayRatsnestLinesCurved;