Fix GTK window position when closed maximized

GTK only sends one maximize event, and it happens after the
window is maximized, so we shouldn't check for not being maximized.

common/dialogs/dialog_color_picker.cpp

@@ -171,12 +171,12 @@ void DIALOG_COLOR_PICKER::initDefinedColors( CUSTOM_COLORS_LIST* aPredefinedColo
     // Size of color swatches
     const int w = 32, h = 32;
 
-    // Colors are built from the g_ColorRefs table (size NBCOLORS).
-    // The look is better when g_ColorRefs order is displayed in a grid matrix
+    // Colors are built from the colorRefs() table (size NBCOLORS).
+    // The look is better when colorRefs() order is displayed in a grid matrix
     // of 6 row and 5 columns, first filling a row, and after the next column.
     // But the wxFlexGrid used here must be filled by columns, then next row
-    // the best interval g_ColorRefs from a matrix row to the next row is 6
-    // So when have to reorder the index used to explore g_ColorRefs
+    // the best interval colorRefs() from a matrix row to the next row is 6
+    // So when have to reorder the index used to explore colorRefs()
     int grid_col = 0;
     int grid_row = 0;
     int table_row_count = 6;

common/eda_base_frame.cpp

@@ -823,9 +823,11 @@ void EDA_BASE_FRAME::OnMaximize( wxMaximizeEvent& aEvent )
     // When we maximize the window, we want to save the old information
     // so that we can add it to the settings on next window load.
     // Contrary to the documentation, this event seems to be generated
-    // when the window is also being unmaximized, so we only capture the
-    // size information when we maximize the window.
+    // when the window is also being unmaximized on OSX, so we only
+    // capture the size information when we maximize the window when on OSX.
+#ifdef __WXOSX__
     if( !IsMaximized() )
+#endif
     {
         m_NormalFrameSize = GetWindowSize();
         m_NormalFramePos  = GetPosition();

include/gal/color4d.h

@@ -73,7 +73,7 @@ enum EDA_COLOR_T
     PUREYELLOW,
     NBCOLORS,                    ///< Number of colors
     HIGHLIGHT_FLAG =  ( 1<<19 ),
-    MASKCOLOR      =    31       ///< mask for color index into g_ColorRefs[]
+    MASKCOLOR      =    31       ///< mask for color index into colorRefs()[]
 };
 
 struct StructColors