gpsutils: need to include <sys/select.h> for POSIX

SuS and POSIX have different idea on where pselect() prototype
lives.

1 files changed, 7 insertions, 6 deletions

diff --git a/gpsutils.c b/gpsutils.c
index 8b855855..deb64a6d 100644
--- a/gpsutils.c
+++ b/gpsutils.c
@@ -15,15 +15,16 @@
 #define  _POSIX_C_SOURCE 200112L
 #endif
 
+#include <ctype.h>
+#include <errno.h>
+#include <math.h>
 #include <stdio.h>
-#include <time.h>
-#include <sys/time.h>
 #include <stdlib.h>
 #include <string.h>
-#include <math.h>
-#include <errno.h>
-#include <ctype.h>
-#include <sys/time.h>	 /* expected to have a pselect(2) prototype a la SuS */
+#include <sys/select.h>	 /* for to have a pselect(2) prototype a la POSIX */
+#include <sys/time.h>
+#include <sys/time.h>	 /* for to have a pselect(2) prototype a la SuS */
+#include <time.h>
 
 #include "gps.h"
 #include "libgps.h"