Fix a few typos

From: Diego Ongaro <diego.ongaro@eu.citrix.com>
Acked-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

README

@@ -224,6 +224,6 @@ tarballs of the source.  Instructions in the tboot README describe how
 to modify grub.conf to use tboot to launch Xen.
 
 There are optional targets as part of Xen's top-level makefile that will
-downlaod and build tboot: install-tboot, build-tboot, dist-tboot, clean-tboot.
+download and build tboot: install-tboot, build-tboot, dist-tboot, clean-tboot.
 These will download the latest tar file from the SourceForge site using wget,
 then build/install/dist according to Xen's settings.

tools/libxc/xc_dom_boot.c

@@ -4,7 +4,7 @@
  * This is the code which actually boots a fresh
  * prepared domain image as xen guest domain.
  *
- * ==>  this is the only domain bilder code piece
+ * ==>  this is the only domain builder code piece
  *          where xen hypercalls are allowed        <==
  *
  * This code is licenced under the GPL.

tools/xenstat/libxenstat/src/xenstat.c

@@ -109,7 +109,7 @@ xenstat_handle *xenstat_init(void)
 
 	handle->xshandle = xs_daemon_open_readonly(); /* open handle to xenstore*/
 	if (handle->xshandle == NULL) {
-		perror("unable to open xenstore\n");
+		perror("unable to open xenstore");
 		xc_interface_close(handle->xc_handle);
 		free(handle);
 		return NULL;