Do not reset chosen session and maintain the session-choser dialog after a
failed login attempt.

Patch by E. Bavier

--- slim-1.3.6/panel.cpp.orig	1969-12-31 18:00:00.000000000 -0600
+++ slim-1.3.6/panel.cpp	2016-10-17 17:00:07.259649063 -0500
@@ -260,13 +260,12 @@
 }
 
 void Panel::ClearPanel() {
-	session_name = "";
-    session_exec = "";
 	Reset();
 	XClearWindow(Dpy, Root);
 	XClearWindow(Dpy, Win);
 	Cursor(SHOW);
 	ShowText();
+	ShowSession();
 	XFlush(Dpy);
 }
 
@@ -760,9 +760,7 @@
         pair<string,string> ses = cfg->nextSession();
         session_name = ses.first;
         session_exec = ses.second;
-        if (session_name.size() > 0) {
-                ShowSession();
-        }
+        ShowSession();
  }
 
 /* Display session type on the screen */
selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
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<tr><td><span title='2019-02-09 20:58:16 +0100'>2019-02-09</span></td><td><a href='/guix/commit/gnu/packages/sqlite.scm?id=44ed6284669d65307d90ac6dea90cf5067def3e8'>gnu: tracker: Build against the regular SQLite.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-01-16 16:08:22 +0100'>2019-01-16</span></td><td><a href='/guix/commit/gnu/packages/sqlite.scm?id=cd0322a3efd96577de9ab35e4432d1ae399257c8'>gnu: Move sqlite to separate module.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>