typo fix for INSTALL

[Aldy Hernandez]

Howdy.

Pretty obvious :-).

Cheers.

Index: INSTALL
===================================================================
RCS file: /cvs/glibc/libc/INSTALL,v
retrieving revision 1.42
diff -u -r1.42 INSTALL
--- INSTALL	10 Dec 2002 03:56:09 -0000	1.42
+++ INSTALL	30 Jan 2004 00:16:54 -0000
@@ -319,7 +319,7 @@
    * GNU `binutils' 2.13 or later
 
      You must use GNU `binutils' (as and ld) to build the GNU C library.
-     No other assembler and linker has the necessary functionality in
+     No other assembler and linker has the necessary functionality at
      the moment.
 
    * GNU `texinfo' 3.12f