minor changes.

pcbnew/dialog_copper_zones.cpp

@@ -282,7 +282,7 @@ bool dialog_copper_zone::AcceptOptions( bool aPromptForErrors, bool aUseExportab
     if ( m_Zone_Setting->m_ZoneMinThickness < 10 )
     {
         DisplayError( this,
-        _( "Error :\nyou must choose a copper min thickness value bigger than 0.001 inch or 0.00254 mm)" ) );
+        _( "Error :\nyou must choose a copper min thickness value bigger than 0.001 inch or 0.0254 mm)" ) );
         return false;
     }
 

polygon/kbool/src/graph.cpp

@@ -2555,7 +2555,7 @@ void Graph::WriteKEY( Bool_Engine* GC, FILE* file )
 
 void Graph::WriteGraphKEY(Bool_Engine* GC)
 {
-
+#if KBOOL_DEBUG == 1
     double scale = 1.0/GC->GetGrid()/GC->GetGrid();
 
     FILE* file = fopen("keygraphfile.key", "w");
@@ -2615,6 +2615,7 @@ void Graph::WriteGraphKEY(Bool_Engine* GC)
             ");
 
     fclose (file);
+#endif
 }