index.c, thumbnail.c: Fix --title-font fallback to default (closes #65)

ChangeLog

@@ -4,6 +4,7 @@ git HEAD
       (fun fact: strictly speaking, this was not a memory leak)
       <https://github.com/derf/feh/issues/62>
     * "--image-bg default" was renamed to "--image-bg checks"
+    * Fix --title-font fallback behaviour
 
 Sun, 11 Sep 2011 12:46:50 +0200  Daniel Friesel <derf@finalrewind.org>
 

src/index.c

@@ -79,8 +79,9 @@ void init_index_mode(void)
 		int fh, fw;
 
 		title_fn = gib_imlib_load_font(opt.title_font);
-		if (!fn)
+		if (!title_fn)
 			title_fn = gib_imlib_load_font(DEFAULT_FONT_TITLE);
+
 		gib_imlib_get_text_size(title_fn, "W", NULL, &fw, &fh, IMLIB_TEXT_TO_RIGHT);
 		title_area_h = fh + 4;
 	} else

src/thumbnail.c

@@ -104,6 +104,9 @@ void init_thumbnail_mode(void)
 		int fh, fw;
 
 		td.font_title = gib_imlib_load_font(opt.title_font);
+		if (!td.font_title)
+			td.font_title = gib_imlib_load_font(DEFAULT_FONT_TITLE);
+
 		gib_imlib_get_text_size(td.font_title, "W", NULL, &fw, &fh,
 				IMLIB_TEXT_TO_RIGHT);
 		title_area_h = fh + 4;