Bug#23950: misplaced code in mysqld.cc, main()

Moved MY_INIT() to top of main(), where it should be.

sql/mysqld.cc

@@ -3476,6 +3476,9 @@ int win_main(int argc, char **argv)
 int main(int argc, char **argv)
 #endif
 {
+  MY_INIT(argv[0]);		// init my_sys library & pthreads
+  /* nothing should come before this line ^^^ */
+
   rpl_filter= new Rpl_filter;
   binlog_filter= new Rpl_filter;
   if (!rpl_filter || !binlog_filter) 
@@ -3484,8 +3487,6 @@ int main(int argc, char **argv)
     exit(1);
   }
 
-  MY_INIT(argv[0]);		// init my_sys library & pthreads
-
   /*
     Perform basic logger initialization logger. Should be called after
     MY_INIT, as it initializes mutexes. Log tables are inited later.