libbb: use <poll.h> instead of <sys/poll.h>

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

include/libbb.h

@@ -32,12 +32,12 @@
 #include <stdarg.h>
 #include <stddef.h>
 #include <string.h>
-/* There are two incompatible basename's, let not use them! */
+/* There are two incompatible basename's, let's not use them! */
 /* See the dirname/basename man page for details */
 #include <libgen.h> /* dirname,basename */
 #undef basename
 #define basename dont_use_basename
-#include <sys/poll.h>
+#include <poll.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/socket.h>

runit/runsv.c

@@ -33,7 +33,6 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //usage:#define runsv_full_usage "\n\n"
 //usage:       "Start and monitor a service and optionally an appendant log service"
 
-#include <sys/poll.h>
 #include <sys/file.h>
 #include "libbb.h"
 #include "runit_lib.h"

runit/runsvdir.c

@@ -35,7 +35,6 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //usage:     "\n	-P		Put each runsv in a new session"
 //usage:     "\n	-s SCRIPT	Run SCRIPT <signo> after signal is processed"
 
-#include <sys/poll.h>
 #include <sys/file.h>
 #include "libbb.h"
 #include "runit_lib.h"

runit/sv.c

@@ -169,7 +169,6 @@ Exit Codes
 //usage:       "pause, cont, hup, alarm, interrupt, quit, 1, 2, term, kill: send\n"
 //usage:       "STOP, CONT, HUP, ALRM, INT, QUIT, USR1, USR2, TERM, KILL signal to service"
 
-#include <sys/poll.h>
 #include <sys/file.h>
 #include "libbb.h"
 #include "runit_lib.h"

runit/svlogd.c

@@ -142,7 +142,6 @@ log message, you can use a pattern like this instead
 //usage:   "\n""+,-PATTERN - (de)select line for logging"
 //usage:   "\n""E,ePATTERN - (de)select line for stderr"
 
-#include <sys/poll.h>
 #include <sys/file.h>
 #include "libbb.h"
 #include "runit_lib.h"