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/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h
index af6b6dc..83a91f9 100644
--- a/arch/um/include/shared/kern_util.h
+++ b/arch/um/include/shared/kern_util.h
@@ -6,8 +6,8 @@
 #ifndef __KERN_UTIL_H__
 #define __KERN_UTIL_H__
 
-#include "sysdep/ptrace.h"
-#include "sysdep/faultinfo.h"
+#include <sysdep/ptrace.h>
+#include <sysdep/faultinfo.h>
 
 struct siginfo;