Added a patch note for the Mac OS X cursor bug

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402541

docs.html

@@ -133,6 +133,9 @@ SDL 1.2.12 is a minor bug fix release.
 <P>
 	Fixed mouse jitter when multiple motion events are queued up in Mac OS X.
 </P>
+<P>
+	Fixed changing the cursor in fullscreen mode on Mac OS X.
+</P>
 </BLOCKQUOTE>
 
 <H3> Mac OS Classic Notes </H3>