um: get rid of pointless include "..." where include <...> will do

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/arch/x86/um/fault.c b/arch/x86/um/fault.c
index d670f68..8784ab3 100644
--- a/arch/x86/um/fault.c
+++ b/arch/x86/um/fault.c
@@ -3,7 +3,7 @@
  * Licensed under the GPL
  */
 
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 /* These two are from asm-um/uaccess.h and linux/module.h, check them. */
 struct exception_table_entry