[patch] fix tolower issue in xfsprogs

[Mike Frysinger <vapier@xxxxxxxxxx>]

the xfsprogs uses tolower() in xfs_dir2.c but doesnt include ctype.h for the 
definition
-mike

--- libxfs/xfs_dir2.c
+++ libxfs/xfs_dir2.c
@@ -22,6 +22,7 @@
  */
 
 #include <xfs.h>
+#include <ctype.h>     /* for tolower() */
 
 extern const struct xfs_nameops xfs_default_nameops;

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