[easytag] Fix comparison against empty string

[David King <davidk src gnome org>]

commit d0c05132e6e32f907044fbe5ebd4fe90888b5010
Author: David King <amigadave amigadave com>
Date:   Fri Jun 2 06:52:36 2017 +0100

    Fix comparison against empty string
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782302

 src/browser.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/browser.c b/src/browser.c
index 19b4e21..6a6daf1 100644
--- a/src/browser.c
+++ b/src/browser.c
@@ -1110,7 +1110,7 @@ et_browser_select_dir (EtBrowser *self,
 
     while (parts[index]) // it is NULL-terminated
     {
-        if (parts[index] == '\0')
+        if (*parts[index] == '\0')
         {
             index++;
             continue;