test_mat.c (test_writenan): Use a variable with value 0.0 to get the NaN so MSVC will compile test_mat.c (test_writeinf): Likewise
test_mat.c (test_writenan): Use a variable with value 0.0 to get the NaN so MSVC will compile
test_mat.c (test_writeinf): Likewise

martinichka/matio-coder,tbeu/matio,tbeu/matio,telehan/libmatio,CBL-ORION/matio,CBL-ORION/matio-sf-mirror,MaartenBent/matio,martinichka/matio-coder,telehan/libmatio,MaartenBent/matio,martinichka/matio-coder,tbeu/matio,tbeu/matio,NJannasch/matio,CBL-ORION/matio-sf-mirror,NJannasch/matio,CBL-ORION/matio,MaartenBent/matio,MaartenBent/matio