[LyX/master] Move tmpdir error message to stderr

[Guillaume Munch]

commit a8c1161d7b3b36c9cc5cdc2e990d0b7abf9d6363
Author: Guillaume Munch <g...@lyx.org>
Date:   Tue Nov 10 07:59:24 2015 +0000

    Move tmpdir error message to stderr
    
    http://thread.gmane.org/gmane.editors.lyx.general/85638/focus=157802

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index cfc442c..18568c7 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -526,8 +526,7 @@ Buffer::~Buffer()
                d->position_to_children.clear();
 
                if (!d->temppath.destroyDirectory()) {
-                       Alert::warning(_("Could not remove temporary 
directory"),
-                               bformat(_("Could not remove the temporary 
directory %1$s"),
+                       LYXERR0(bformat(_("Could not remove the temporary 
directory %1$s"),
                                from_utf8(d->temppath.absFileName())));
                }
                removePreviews();
diff --git a/src/LyX.cpp b/src/LyX.cpp
index a1fdac9..d81c90f 100644
--- a/src/LyX.cpp
+++ b/src/LyX.cpp
@@ -404,10 +404,8 @@ void LyX::prepareExit()
                        LYXERR(Debug::INFO, "Deleting tmp dir "
                                << package().temp_dir().absFileName());
                        if (!package().temp_dir().destroyDirectory()) {
-                               docstring const msg =
-                                       bformat(_("Unable to remove the 
temporary directory %1$s"),
-                                       
from_utf8(package().temp_dir().absFileName()));
-                               Alert::warning(_("Unable to remove temporary 
directory"), msg);
+                               LYXERR0(bformat(_("Unable to remove the 
temporary directory %1$s"),
+                                       
from_utf8(package().temp_dir().absFileName())));
                        }
                }
        }