include sys/resource.h where needed

We use functions from sys/resource.h in misc applets, but don't include
the header.  This breaks building with newer glibc versions, so add the
include where needed.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
(cherry picked from commit c5fe9f7b72)

loginutils/passwd.c

@@ -15,6 +15,7 @@
 
 #include "libbb.h"
 #include <syslog.h>
+#include <sys/resource.h> /* setrlimit */
 
 static void nuke_str(char *str)
 {

miscutils/time.c

@@ -16,6 +16,7 @@
 //usage:     "\n	-v	Verbose"
 
 #include "libbb.h"
+#include <sys/resource.h> /* getrusage */
 
 /* Information on the resources used by a child process.  */
 typedef struct {

networking/inetd.c

@@ -165,6 +165,7 @@
 //usage:     "\n		(default: 0 - disabled)"
 
 #include <syslog.h>
+#include <sys/resource.h> /* setrlimit */
 #include <sys/socket.h> /* un.h may need this */
 #include <sys/un.h>
 

networking/ntpd.c

@@ -46,6 +46,7 @@
 #include "libbb.h"
 #include <math.h>
 #include <netinet/ip.h> /* For IPTOS_LOWDELAY definition */
+#include <sys/resource.h> /* setpriority */
 #include <sys/timex.h>
 #ifndef IPTOS_LOWDELAY
 # define IPTOS_LOWDELAY 0x10

networking/ntpd_simple.c

@@ -7,6 +7,7 @@
  */
 #include "libbb.h"
 #include <netinet/ip.h> /* For IPTOS_LOWDELAY definition */
+#include <sys/resource.h> /* setpriority */
 #ifndef IPTOS_LOWDELAY
 # define IPTOS_LOWDELAY 0x10
 #endif

runit/chpst.c

@@ -91,6 +91,7 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //usage:     "\n			a SIGXCPU after N seconds"
 
 #include "libbb.h"
+#include <sys/resource.h> /* getrlimit */
 
 /*
 Five applets here: chpst, envdir, envuidgid, setuidgid, softlimit.

shell/shell_common.c

@@ -18,6 +18,7 @@
  */
 #include "libbb.h"
 #include "shell_common.h"
+#include <sys/resource.h> /* getrlimit */
 
 const char defifsvar[] ALIGN1 = "IFS= \t\n";