Fix fallout from r13486: "virtual" is a C++ reserved word and so this
header causes breakage in the C++ tests in the tree.  Rename it.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13487 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/vki/vki-linux-drm.h b/include/vki/vki-linux-drm.h
index 8bd0746..6ba909c 100644
--- a/include/vki/vki-linux-drm.h
+++ b/include/vki/vki-linux-drm.h
@@ -209,7 +209,7 @@
 };
 struct vki_drm_buf_map {
 	int count;		/**< Length of the buffer list */
-	void __user *virtual;		/**< Mmap'd area in user-virtual */
+	void __user *virtuaL;		/**< Mmap'd area in user-virtual */
 	struct vki_drm_buf_pub __user *list;	/**< Buffer information */
 };
 struct vki_drm_dma {