From 7168870d695d887e65c4bf595843d1170b542ea7 Mon Sep 17 00:00:00 2001
From: xiota <github@mentalfossa.com>
Date: Sun, 30 Jun 2024 02:55:30 +0000
Subject: [PATCH] Improve empty string check

---
 rtgui/preferences.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtgui/preferences.cc b/rtgui/preferences.cc
index 94dc68e65..f6f80a2d3 100644
--- a/rtgui/preferences.cc
+++ b/rtgui/preferences.cc
@@ -2701,7 +2701,7 @@ void Preferences::extensionsChanged()
 
 void Preferences::extensionChanged()
 {
-    if (extension->get_text()[0] == '\0') {
+    if (extension->get_text().empty()) {
         addExt->set_sensitive(false);
         return;
     }