Spelling fixes. Thanks to Royce for pointing them out.

svn path=/trunk/; revision=19200

reactos/ntoskrnl/ex/power.c

@@ -97,7 +97,7 @@ ShutdownThreadMain(PVOID Context)
        "That's the way the cookie crumbles ;-)\n",
        "ReactOS is ready to be booted again ;-)\n",
        "NOO!! DONT HIT THE BUTTON! I wouldnt do it to you.\n",
-       "Don't abandon your computer, he wouldnt to it to you.\n",
+       "Don't abandon your computer, he wouldn't do it to you.\n",
        "Oh, come on. I got a headache. Leave me alone, will ya!\n",
        "Finally, I thought you'd never get over me.\n",
        "Yes i didn't like you either.\n",
@@ -125,8 +125,8 @@ ShutdownThreadMain(PVOID Context)
        "An odd game, the only way to win is not to play. - WOPR (Wargames)\n",
        "Quoth the raven, nevermore.\n",
        "Come blade, my breast imbrue. - William Shakespeare, A Midsummer Nights Dream\n",
-       "Buy this place for advertisment purposes.\n",
-       "Remember to turn of your computer. (That was a public service message!)\n",
+       "Buy this place for advertisement purposes.\n",
+       "Remember to turn off your computer. (That was a public service message!)\n",
        "You may be a king or poor street sweeper, Sooner or later you'll dance with the\n"
        "reaper! -Death in Bill and Ted's Bougs Journey\n",
        "Final Surrender\n",