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/drivers/umcast_user.c b/arch/um/drivers/umcast_user.c
index 010fa2d..6074184 100644
--- a/arch/um/drivers/umcast_user.c
+++ b/arch/um/drivers/umcast_user.c
@@ -16,8 +16,8 @@
 #include <errno.h>
 #include <netinet/in.h>
 #include "umcast.h"
-#include "net_user.h"
-#include "um_malloc.h"
+#include <net_user.h>
+#include <um_malloc.h>
 
 static struct sockaddr_in *new_addr(char *addr, unsigned short port)
 {