stdint_.h fix for AIX 5.2

[Paul Eggert]

I installed this:

2006-10-21  Paul Eggert  <address@hidden>

        * lib/stdint_.h [defined _AIX]: Don't include <sys/types.h>.
        Problem reported by Perry Smith and Ville Laurikari.

--- lib/stdint_.h       11 Oct 2006 05:58:47 -0000      1.34
+++ lib/stdint_.h       21 Oct 2006 22:09:46 -0000
@@ -48,10 +48,11 @@

 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
+   AIX 5.2 <sys/types.h> isn't needed and causes troubles.
    MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
    relies on the system <stdint.h> definitions, so include
    <sys/types.h> after @address@hidden  */
-#if @HAVE_SYS_TYPES_H@
+#if @HAVE_SYS_TYPES_H@ && ! defined _AIX
 # include <sys/types.h>
 #endif