* Fixed tMIPSELtypeconvnode.second_int_to_bool handling of C booleans, webtbs/tw10233 and webtbs/tw17180 now work.
* Reused applicable code from the above mentioned method in tMIPSELnotnode.second_boolean, it is more efficient in handling 64-bit data.


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23531 3ad0048d-3df7-0310-abae-a5850022a9f2