[gtk+] examples: Strip newlines from g_warning and g_error

[Matthias Clasen <matthiasc src gnome org>]

commit 492ea59698e148b2911868f5cc88644caaba9bde
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Feb 28 12:19:09 2016 -0500

    examples: Strip newlines from g_warning and g_error
    
    g_logv adds one for us already.

 examples/plugman.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/examples/plugman.c b/examples/plugman.c
index 3e7e02a..03c633d 100644
--- a/examples/plugman.c
+++ b/examples/plugman.c
@@ -249,7 +249,7 @@ enable_plugin (const gchar *name)
       g_print ("Menus of '%s' plugin added\n", name);
     }
   else
-    g_warning ("Plugin menu not found\n");
+    g_warning ("Plugin menu not found");
 
   if (g_strcmp0 (name, "red") == 0)
     is_red_plugin_enabled = TRUE;
@@ -284,7 +284,7 @@ disable_plugin (const gchar *name)
         }
     }
   else
-    g_warning ("Plugin menu not found\n");
+    g_warning ("Plugin menu not found");
 
   g_action_map_remove_action (G_ACTION_MAP (g_application_get_default ()), name);
   g_print ("Actions of '%s' plugin removed\n", name);