Read chrony.conf before checking/writing pid file

This fixes the pidfile directive.

main.c

@@ -261,6 +261,8 @@ int main
     }
   }
 
+  CNF_ReadFile(conf_file);
+
 #ifndef SYS_WINNT
   if (getuid() != 0) {
     /* This write to the terminal is OK, it comes before we turn into a daemon */
@@ -288,8 +290,6 @@ int main
   write_lockfile();
 #endif
 
-  CNF_ReadFile(conf_file);
-
   if (do_init_rtc) {
     RTC_TimePreInit();
   }