merge from gcc

libiberty/bcopy.c

@@ -16,8 +16,8 @@ bcopy (const void *src, void *dest, size_t len)
 {
   if (dest < src)
     {
-      const char *firsts = src;
-      char *firstd = dest;
+      const char *firsts = (const char *) src;
+      char *firstd = (char *) dest;
       while (len--)
 	*firstd++ = *firsts++;
     }