Sane defaults.

--- src/utils/cas/configfile.c.orig	Fri Sep 16 09:55:07 2016
+++ src/utils/cas/configfile.c	Sun Sep 18 15:31:21 2016
@@ -52,9 +52,9 @@ int writeconfig(void)
 		"# font_size - size the font\n",
 		"# source_image - image where the text will be written\n",
 		"# *_line - x,y,[1/0] enabled or disabled\n\n",
-		"font /usr/share/fonts/corefonts/times.ttf\n",
+		"font ${X11BASE}/lib/X11/fonts/TTF/DejaVuSerif.ttf\n",
 		"font_size 10.5\n",
-		"source_image /usr/share/cas/stat.png\n",
+		"source_image ${TRUEPREFIX}/share/cas/stat.png\n",
 		"first_line 23,17,1\n",
 		"second_line 23,34,1\n",
 		"third_line 23,51,1\n",
@@ -62,7 +62,7 @@ int writeconfig(void)
 		"fifth_line 23,85,1\n",
 		"sixth_line 23,102,1\n",
 		"seventh_line 23,119,1\n",
-		"template /usr/share/cas/tmp.html\n"
+		"template ${TRUEPREFIX}/share/cas/tmp.html\n",
 		"img_type 0\n"
 	};