cgit.c: make '/cgit.png' the default value for 'logo' option

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.c

@@ -228,7 +228,7 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.cache_root_ttl = 5;
 	ctx->cfg.cache_static_ttl = -1;
 	ctx->cfg.css = "/cgit.css";
-	ctx->cfg.logo = "/git-logo.png";
+	ctx->cfg.logo = "/cgit.png";
 	ctx->cfg.local_time = 0;
 	ctx->cfg.max_repo_count = 50;
 	ctx->cfg.max_commit_count = 50;

cgitrc.5.txt

@@ -132,7 +132,7 @@ local-time::
 
 logo::
 	Url which specifies the source of an image which will be used as a logo
-	on all cgit pages.
+	on all cgit pages. Default value: "/cgit.png".
 
 logo-link::
 	Url loaded when clicking on the cgit logo image. If unspecified the