Fixed type conversion in h5pset_fill_value and fixed for
nh5pget_fill_valuec_c we call the wrong function
ret_value = nh5pset_fill_value_c(prp_id, type_id, _fcdtocp(fillvalue))

HDFFV-8879

Tested: jam( intel, gnu)
Changed file in Installation section where users should look for instructions from release_docs\INSTALL_Windows.txt to release_docs\INSTALL.

Tested: Doxygen