mac build fix. Why doesn't this use the dtime() in lib/?

Author: davidpanderson

clientgui/mac/SetupSecurity.cpp

@@ -1208,9 +1208,18 @@ void ShowSecurityError(const char *format, ...) {
     va_end(args);
 }
 
+// return time of day (seconds since 1970) as a double
+// ??? should use dtime() from lib/util.cpp
+//
+static double dtime2(void) {
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    return tv.tv_sec + (tv.tv_usec/1.e6);
+}
+
 // Uses usleep to sleep for full duration even if a signal is received
 static void SleepSeconds(double seconds) {
-    double end_time = dtime() + seconds - 0.01;
+    double end_time = dtime2() + seconds - 0.01;
     // sleep() and usleep() can be interrupted by SIGALRM,
     // so we may need multiple calls
     //
@@ -1220,7 +1229,7 @@ static void SleepSeconds(double seconds) {
         } else {
             usleep((int)fmod(seconds*1000000, 1000000));
         }
-        seconds = end_time - dtime();
+        seconds = end_time - dtime2();
         if (seconds <= 0) break;
     }
 }