small fix in matlab annotation

matlab/gsa/scatter_mcf.m

@@ -158,8 +158,8 @@ for i = 1:p
     end
 end
 if ~isoctave
-    annotation('textbox', [0.1,0,0.35,0.05],'String', beha_name,'Color','Blue','horizontalalignment','center');
-    annotation('textbox', [0.55,0,0.35,0.05],'String', non_beha_name,'Color','Red','horizontalalignment','center');
+    annotation('textbox', [0.1,0,0.35,0.05],'String', beha_name,'Color','Blue','horizontalalignment','center','interpreter','none');
+    annotation('textbox', [0.55,0,0.35,0.05],'String', non_beha_name,'Color','Red','horizontalalignment','center','interpreter','none');
 end
 
 if ~nograph,