"abbrevations" in standards.texi

[Paul Eggert]

"abbreviations" is misspelled in standards.texi; here's a patch.

diff --git a/doc/standards.texi b/doc/standards.texi
index 06fd9c7..f5d68dd 100644
--- a/doc/standards.texi
+++ b/doc/standards.texi
@@ -998,7 +998,7 @@ copyright notice.  If more than one copyright notice is 
called for, put
 each on a separate line.
 
 Next should follow a line stating the license, preferably using one of
-abbrevations below, and a brief statement that the program is free
+abbreviations below, and a brief statement that the program is free
 software, and that users are free to copy and change it.  Also mention
 that there is no warranty, to the extent permitted by law.  See
 recommended wording below.