replace GIF with PNG version now that TclTk GUIs are gone

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@33947 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/images/Makefile

@@ -5,5 +5,5 @@ include $(MODULE_TOPDIR)/include/Make/Dir.make
 default:
 	if [ ! -d $(ETC)/gui ] ; then $(MKDIR) $(ETC)/gui ; fi
 	if [ ! -d $(ETC)/gui/images ] ; then $(MKDIR) $(ETC)/gui/images ; fi
-	$(INSTALL_DATA) gintro.gif $(ETC)/gui/images/gintro.gif
+	$(INSTALL_DATA) startup_banner.png $(ETC)/gui/images/startup_banner.png
 

gui/wxpython/gis_set.py

@@ -65,10 +65,10 @@ class GRASSStartup(wx.Frame):
         #
         # image
         try:
-            name = os.path.join(globalvar.ETCDIR, "gui", "images", "gintro.gif")
+            name = os.path.join(globalvar.ETCDIR, "gui", "images", "startup_banner.png")
             self.hbitmap = wx.StaticBitmap(self.panel, wx.ID_ANY,
                                            wx.Bitmap(name=name,
-                                                     type=wx.BITMAP_TYPE_GIF))
+                                                     type=wx.BITMAP_TYPE_PNG))
         except:
             self.hbitmap = wx.StaticBitmap(self.panel, wx.ID_ANY, wx.EmptyBitmap(530,150))