Include <sys/select.h> everywhere fd_set us used.

This came up in connection with Android. According to SuS this shouln't be
necessary if sys/time.h was included, but oh well.  While we;re at it, rearrange
some includes for more consistent order.

All regression tests pass.

1 files changed, 1 insertions, 0 deletions

diff --git a/gpsctl.c b/gpsctl.c
index 744bec4c..b3c11421 100644
--- a/gpsctl.c
+++ b/gpsctl.c
@@ -14,6 +14,7 @@
 #include <signal.h>
 #include <time.h>
 #include <sys/time.h>
+#include <sys/select.h>
 #ifndef S_SPLINT_S
 #include <unistd.h>
 #endif /* S_SPLINT_S */