hostapd: normalize microsecond limit when parsing

[Scott Cheloha]

Hi,

I'm unfamiliar with this code, but assigning the microsecond value
without normalizing it for the timeval looks off.

--
Scott Cheloha

Index: usr.sbin/hostapd/parse.y
===================================================================
RCS file: /cvs/src/usr.sbin/hostapd/parse.y,v
retrieving revision 1.53
diff -u -p -r1.53 parse.y
--- usr.sbin/hostapd/parse.y    5 Jan 2017 13:53:09 -0000       1.53
+++ usr.sbin/hostapd/parse.y    7 Feb 2018 22:12:17 -0000
@@ -500,7 +500,8 @@ limit               : /* empty */
                                yyerror("limit out of range: %lld usec", $2);
                                YYERROR;
                        }
-                       frame.f_limit.tv_usec = $2;
+                       frame.f_limit.tv_sec = $2 / 1000000;
+                       frame.f_limit.tv_usec = $2 % 1000000;
                }
                ;