Minor changes in /buffer command and topic of WeeChat buffer

src/core/wee-command.c

@@ -245,8 +245,7 @@ command_buffer (void *data, struct t_gui_buffer *buffer,
                              GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
                              GUI_COLOR(GUI_COLOR_CHAT),
                              (ptr_buffer->plugin) ?
-                             ptr_buffer->plugin->name :
-                             "weechat",
+                             ptr_buffer->plugin->name : "core",
                              ptr_buffer->category,
                              ptr_buffer->name);
         }

src/gui/curses/gui-curses-main.c

@@ -115,7 +115,7 @@ gui_main_init ()
         {
             gui_init_ok = 1;
             gui_buffer_set_title (ptr_buffer,
-                                  PACKAGE_STRING " " WEECHAT_COPYRIGHT_DATE
+                                  "WeeChat " WEECHAT_COPYRIGHT_DATE
                                   " - " WEECHAT_WEBSITE);
             gui_window_redraw_buffer (ptr_buffer);
         }