[glib] docs: Fix a minor grammatical error

[Matthew Leeds <mwleeds src gnome org>]

commit 1180649a08486f84c59c98882d735b458aba8e2d
Author: Matthew Leeds <matthew leeds endlessm com>
Date:   Tue Mar 27 15:20:16 2018 -0700

    docs: Fix a minor grammatical error

 glib/docs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/glib/docs.c b/glib/docs.c
index 5031a6225..4b1d97c2b 100644
--- a/glib/docs.c
+++ b/glib/docs.c
@@ -760,7 +760,7 @@
  *   i = (int) (long) p;
  * ]|
  * The GLib macros GPOINTER_TO_INT(), GINT_TO_POINTER(), etc. take care
- * to do the right thing on the every platform.
+ * to do the right thing on every platform.
  *
  * Warning: You may not store pointers in integers. This is not
  * portable in any way, shape or form. These macros only allow storing