*** ./src/freexl.c.ORIG	Mon Jul  9 21:32:30 2012
--- ./src/freexl.c	Mon Jul  9 21:35:37 2012
***************
*** 94,99 ****
--- 94,106 ----
  }
  #endif
  
+ #if defined(_AIX51) && !defined(_AIX52)
+ long int lround(double x)
+ {
+   return( (long int) (x + 0.5) );
+ }
+ #endif
+ 
  static void
  swap16 (biff_word16 * word)
  {