Eliminate stray trailing spaces.

Index: grub/util/grub-probe.c
===================================================================
--- grub.orig/util/grub-probe.c	2012-01-31 01:17:56.913537617 -0600
+++ grub/util/grub-probe.c	2012-01-31 01:18:20.531207000 -0600
@@ -269,7 +269,7 @@
   else
     printf ("%s", dname);
   free (dname);
-} 
+}
 
 static void
 probe_abstraction (grub_disk_t disk)
@@ -345,8 +345,8 @@
       grub_util_pull_device (*curdev);
       ndev++;
     }
-  
-  drives_names = xmalloc (sizeof (drives_names[0]) * (ndev + 1)); 
+
+  drives_names = xmalloc (sizeof (drives_names[0]) * (ndev + 1));
 
   for (curdev = device_names, curdrive = drives_names; *curdev; curdev++,
        curdrive++)
@@ -368,7 +368,7 @@
       dev = grub_device_open (drives_names[0]);
       if (! dev)
 	grub_util_error ("%s", _(grub_errmsg));
-      
+
       fs = grub_fs_probe (dev);
       if (! fs)
 	grub_util_error ("%s", _(grub_errmsg));
@@ -470,7 +470,7 @@
 	  grub_device_close (dev);
 	  continue;
 	}
-      
+
       if ((print == PRINT_COMPATIBILITY_HINT || print == PRINT_BIOS_HINT
 	   || print == PRINT_IEEE1275_HINT || print == PRINT_BAREMETAL_HINT
 	   || print == PRINT_EFI_HINT || print == PRINT_ARC_HINT)