[easytag] Remove dead code in et_browser_label_set_text()

[David King <davidk src gnome org>]

commit b8c4707f7ffd4c67615c30f6073f15b0693fe491
Author: David King <amigadave amigadave com>
Date:   Mon Sep 15 20:40:05 2014 +0100

    Remove dead code in et_browser_label_set_text()
    
    Found with Coverity (CID 1238690).

 src/browser.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/browser.c b/src/browser.c
index 8a02d56..b77a8e3 100644
--- a/src/browser.c
+++ b/src/browser.c
@@ -625,11 +625,11 @@ et_browser_label_set_text (EtBrowser *self, const gchar *text)
     EtBrowserPrivate *priv;
 
     g_return_if_fail (ET_BROWSER (self));
+    g_return_if_fail (text != NULL);
 
     priv = et_browser_get_instance_private (self);
 
-    if (priv->label && text)
-        gtk_label_set_text (GTK_LABEL (priv->label), text ? text : "");
+    gtk_label_set_text (GTK_LABEL (priv->label), text);
 }
 
 /*