swsusp: fix off-by-one memory overwriting

Hi!

Shaun Jackman found an nasty bug where swsusp would overwrite first byte of a page.... (strcpy vs. memcpy).

Untested patch attached (still have to fix the filesystem).
Pavel

(about SSSCA) "I don't say this lightly.  However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa