ui-shared: return value of cgit_currenturl is not const

Signed-off-by: Christian Hesse <mail@eworm.de>

ui-shared.c

@@ -65,10 +65,10 @@ const char *cgit_hosturl(void)
 	return fmtalloc("%s:%s", ctx.env.server_name, ctx.env.server_port);
 }
 
-const char *cgit_currenturl(void)
+char *cgit_currenturl(void)
 {
 	if (!ctx.qry.url)
-		return cgit_rooturl();
+		return xstrdup(cgit_rooturl());
 	const char *root = cgit_rooturl();
 	size_t len = strlen(root);
 	if (len && root[len - 1] == '/')

ui-shared.h

@@ -4,7 +4,7 @@
 extern const char *cgit_httpscheme();
 extern const char *cgit_hosturl();
 extern const char *cgit_rooturl();
-extern const char *cgit_currenturl();
+extern char *cgit_currenturl();
 extern const char *cgit_loginurl();
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_fileurl(const char *reponame, const char *pagename,