[gnome-online-accounts] Fix typo in comment in goaprovider.c

[Debarshi Ray <debarshir src gnome org>]

commit 93471ef5fb011a0502b295b3e395ef6cb1d60161
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Thu Jul 30 22:41:14 2015 +0200

    Fix typo in comment in goaprovider.c
    
    There is an extra 'is' in the sentence.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=752941

 src/goabackend/goaprovider.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/goabackend/goaprovider.c b/src/goabackend/goaprovider.c
index 6565dff..40e4ea8 100644
--- a/src/goabackend/goaprovider.c
+++ b/src/goabackend/goaprovider.c
@@ -759,7 +759,7 @@ static struct
   const gchar *name;
   GType (*get_type) (void);
 } ordered_builtins_map[] = {
-  /* The order is in which the providers' types are created is
+  /* The order in which the providers' types are created is
    * important because it affects the order in which they are
    * returned by goa_provider_get_all.
    */