* Makefile.in: Add libmsvcr90.a and libmsvcr90d.a targets. * msvcrt.def.in: Add support for __msvcr90__ and __msvcr90d__ defines. * mingwex/math/log10f.S: Correct issue with comments. * mingwex/math/log10l.S: Ditto. * mingwex/math/log1p.S: Ditto. * mingwex/math/log1pf.S: Ditto. * mingwex/math/log1pl.S: Ditto. * mingwex/math/log2.S: Ditto. * mingwex/math/log2f.S: Ditto. * mingwex/math/log2l.S: Ditto. * mingwex/math/logf.S: Ditto. * mingwex/math/logl.S: Ditto.