Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
diff --git a/src/message.c b/src/message.c
index e29f5f8..f234a9d 100644
--- a/src/message.c
+++ b/src/message.c
@@ -3778,7 +3778,7 @@
filter = BROWSE_FILTER_DEFAULT;
if (flags & BROWSE_DIR)
{
-# if defined(HAVE_GTK2) || defined(WIN3264)
+# if defined(FEAT_GUI_GTK) || defined(WIN3264)
/* For systems that have a directory dialog. */
fname = gui_mch_browsedir(title, initdir);
# else
@@ -3786,7 +3786,7 @@
* remove the file name. */
fname = gui_mch_browse(0, title, dflt, ext, initdir, (char_u *)"");
# endif
-# if !defined(HAVE_GTK2)
+# if !defined(FEAT_GUI_GTK)
/* Win32 adds a dummy file name, others return an arbitrary file
* name. GTK+ 2 returns only the directory, */
if (fname != NULL && *fname != NUL && !mch_isdir(fname))