x86: remove unneded casts

x86: remove unneeded casts

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/lib/memmove_64.c b/arch/x86/lib/memmove_64.c
index 751ebae..80175e4 100644
--- a/arch/x86/lib/memmove_64.c
+++ b/arch/x86/lib/memmove_64.c
@@ -11,8 +11,8 @@
 	if (dest < src) { 
 		return memcpy(dest,src,count);
 	} else {
-		char *p = (char *) dest + count;
-		char *s = (char *) src + count;
+		char *p = dest + count;
+		const char *s = src + count;
 		while (count--)
 			*--p = *--s;
 	}