(svn r23987) -Fix (r23000): Also reset the font glyph cache when switching blitters.

src/fontcache.cpp

@@ -974,6 +974,14 @@ void UninitFreeType()
 	_library = NULL;
 }
 
+/**
+ * Reset cached glyphs.
+ */
+void ClearFontCache()
+{
+	ResetGlyphCache(true);
+	ResetGlyphCache(false);
+}
 
 static FT_Face GetFontFace(FontSize size)
 {

src/fontcache.h

@@ -44,6 +44,7 @@ extern FreeTypeSettings _freetype;
 
 void InitFreeType(bool monospace);
 void UninitFreeType();
+void ClearFontCache();
 const Sprite *GetGlyph(FontSize size, uint32 key);
 uint GetGlyphWidth(FontSize size, uint32 key);
 bool GetDrawGlyphShadow();

src/gfxinit.cpp

@@ -256,6 +256,7 @@ void GfxLoadSprites()
 	DEBUG(sprite, 2, "Loading sprite set %d", _settings_game.game_creation.landscape);
 
 	SwitchNewGRFBlitter();
+	ClearFontCache();
 	GfxInitSpriteMem();
 	LoadSpriteTables();
 	GfxInitPalettes();