Assume RLIMIT_AS is defined

It is required by POSIX.1-2001.

Cc: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>

libmisc/limits.c

@@ -239,13 +239,11 @@ static int do_user_limits (const char *buf, const char *name)
 
 	while ('\0' != *pp) {
 		switch (*pp++) {
-#ifdef RLIMIT_AS
 		case 'a':
 		case 'A':
 			/* RLIMIT_AS - max address space (KB) */
 			retval |= setrlimit_value (RLIMIT_AS, pp, 1024);
 			break;
-#endif
 		case 'c':
 		case 'C':
 			/* RLIMIT_CORE - max core file size (KB) */

libmisc/pwd_init.c

@@ -32,9 +32,8 @@ void pwd_init (void)
 	setrlimit (RLIMIT_CORE, &rlim);
 
 	rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
-#ifdef RLIMIT_AS
 	setrlimit (RLIMIT_AS, &rlim);
-#endif
+
 #ifdef RLIMIT_CPU
 	setrlimit (RLIMIT_CPU, &rlim);
 #endif