properly regenerate dynamic font texture after issuing 'resetgl'

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@4921 e016b1c5-ed68-44aa-a2f7-31cac88cffde

source/src/rendertext.cpp

@@ -635,6 +635,8 @@ void draw_text(const char *str, int left, int top, int r, int g, int b, int a, i
 
 void reloadfonts()
 {
+	createutf8charset();
+
     enumerate(fonts, font, f,
         if(!reloadtexture(*f.tex)) fatal("failed to reload font texture");
     );