mysys/my_gethwaddr.c

Fix a typing error in a conditional compiling directive
    (reported by Vasil Dimov: Thanks !),
    and improve their nesting ("MAIN" independent of platform).


mysys/my_gethwaddr.c:
  Fix a typing error, reported by Vasil Dimov (thanks !):
  The condition is meant to apply to FreeBSD or Linux.
  
  Improve the nesting of conditional compiling directives,
  handle "MAIN" and the platform issues independent of each other.

mysys/my_gethwaddr.c

@@ -19,7 +19,9 @@
 #include "mysys_priv.h"
 #include <m_string.h>
 
-#if !defined(__FreeBSD__) || defined(__linux__)
+#ifndef MAIN
+
+#if defined(__FreeBSD__) || defined(__linux__)
 static my_bool memcpy_and_test(uchar *to, uchar *from, uint len)
 {
   uint i, res=1;
@@ -29,6 +31,7 @@ static my_bool memcpy_and_test(uchar *to, uchar *from, uint len)
       res=0;
   return res;
 }
+#endif   /* FreeBSD || linux */
 
 #ifdef __FreeBSD__
 
@@ -98,7 +101,7 @@ err:
   return res;
 }
 
-#else
+#else   /* FreeBSD elif linux */
 /* just fail */
 my_bool my_gethwaddr(uchar *to __attribute__((unused)))
 {