Protection against 0 (too short in general) delay in GIF animation.
It caused xchm to hang just animating GIF without actually displaying anything.
(affected wxgtk*; not wxx11univ not because of different implementation)

--- wxWidgets-2.5.3/src/html/m_image.cpp.orig	2004-09-28 13:18:36.000000000 +0200
+++ wxWidgets-2.5.3/src/html/m_image.cpp	2005-02-20 21:06:55.564796160 +0100
@@ -337,6 +337,11 @@
 
     DECLARE_NO_COPY_CLASS(wxGIFTimer)
 };
+
+static int safedelay(int ms)
+{
+	return (ms >= 10) ? ms : 10;
+}
 #endif
 
 
@@ -390,7 +395,7 @@
                         if ( m_gifDecoder->IsAnimation() )
                         {
                             m_gifTimer = new wxGIFTimer(this);
-                            m_gifTimer->Start(m_gifDecoder->GetDelay(), true);
+                            m_gifTimer->Start(safedelay(m_gifDecoder->GetDelay()), true);
                         }
                         else
                         {
@@ -517,7 +522,7 @@
         m_window->Refresh(img.HasMask(), &rect);
     }
 
-    timer->Start(m_gifDecoder->GetDelay(), true);
+    timer->Start(safedelay(m_gifDecoder->GetDelay()), true);
 }
 
 void wxHtmlImageCell::Layout(int w)