fix a miscalculation of command line size for vgcreate

* src/storage_backend_logical.c: fix a miscalculation of command line
  size for vgcreate, patch from Jim Fehlig
Daniel

ChangeLog

+Thu Sep  4 15:05:34 CEST 2008 Daniel Veillard <veillard@redhat.com>
+
+	* src/storage_backend_logical.c: fix a miscalculation of command line
+	  size for vgcreate, patch from Jim Fehlig
+
 Thu Sep  4 11:43:20 BST 2008 Daniel P. Berrange <berrange@redhat.com>
 
 	Augeas config file support

src/storage_backend_logical.c

@@ -351,7 +351,7 @@ virStorageBackendLogicalBuildPool(virConnectPtr conn,
     memset(zeros, 0, sizeof(zeros));
 
     /* XXX multiple pvs */
-    if (VIR_ALLOC_N(vgargv, 1) < 0) {
+    if (VIR_ALLOC_N(vgargv, 3 + pool->def->source.ndevice) < 0) {
         virStorageReportError(conn, VIR_ERR_NO_MEMORY, "%s", _("command line"));
         return -1;
     }