Add include to pick up read()/close() prototypes.

c/src/lib/libbsp/powerpc/ChangeLog

@@ -1,3 +1,6 @@
+2010-04-08      Eric Norum <wenorum@lbl.gov>
+    * shared/motorola/vpd.c: add include to pick up read()/close() prototypes.
+
 2010-03-27      Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>
 	* shared/startup/bspstart.c, shared/startup/pgtbl_setup.c: fix
 	prototypes

c/src/lib/libbsp/powerpc/shared/motorola/vpd.c

@@ -53,6 +53,7 @@ field = type, length, { data }
  * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
  */
 
+#include <unistd.h>
 #include <rtems.h>
 #include <string.h>
 #include <sys/fcntl.h>