patch 7.4.2262

Problem:    Fail to read register content from viminfo if it is 438 characters
            long. (John Chen)
Solution:   Adjust the check for line wrapping. (closes #1010)

src/ex_cmds.c

@@ -2526,7 +2526,7 @@ barline_writestring(FILE *fd, char_u *s, int remaining_start)
 	else
 	    ++len;
     }
-    if (len > remaining)
+    if (len > remaining - 2)
     {
 	fprintf(fd, ">%d\n|<", len);
 	remaining = LSIZE - 20;