Fix #1597 nnpfc_constant_patch_size_flag and nnpfc_overlap and nnpfc_overlap parsing.

This patch fixed parsing of nnpfc_constant_patch_size_flag and removes double parsing of nnpfc_overlap.

changed title from Fix nnpfc_constant_patch_size_flag and nnpfc_overlap and nnpfc_overlap parsing. to Fix #1597 nnpfc_constant_patch_size_flag and nnpfc_overlap and nnpfc_overlap parsing.

@msantamaria Could you take a look at this MR?

Maria is on vacation and won't be available for few weeks.

approved this merge request

merged

mentioned in commit 2293a8aa