Fixed Crash when changing color under MacOSX. This could also affect all versions.

common/common.cpp

@@ -89,6 +89,7 @@ int            g_GhostColor;
  * Please: if you change a value, remember these values are carefully chosen
  * to have good results in pcbnew, that uses the ORed value of basic colors
  * when displaying superimposed objects
+ * The NULL value of the last item can be used as an end of list item
  */
 StructColors ColorRefs[NBCOLOR] =
 {

common/selcolor.cpp

@@ -98,7 +98,7 @@ WinEDA_SelColorFrame::WinEDA_SelColorFrame( wxWindow*      parent,
     MainBoxSizer = new wxBoxSizer( wxHORIZONTAL );
     OuterBoxSizer->Add( MainBoxSizer, 1, wxGROW | wxLEFT | wxRIGHT | wxTOP, 5 );
 
-    for( ii = 0; ColorRefs[ii].m_Name != NULL; ii++ )
+    for( ii = 0; ColorRefs[ii].m_Name != NULL && ii < NBCOLOR; ii++ )
     {
         // Provide a separate column for every eight buttons (and their
         // associated text strings), so provide a FlexGrid Sizer with

include/colors.h

@@ -82,7 +82,7 @@ struct StructColors
     int             m_LightColor;
 };
 
-
+// list of existing Colors:
 extern StructColors ColorRefs[NBCOLOR];
 
 /**