gnucash-docs fails on 10.3.9 during destroot

[Brett Warden]

gnucash-docs failed during destroot with the following error:

for file in gnucash-guide-C.omf; do \
/usr/bin/install -c -m 644 "$file.out"
"/opt/local/var/db/dports/build/_opt_local_var_db_dports_sources_rsync.rsync.darwinports.org_dpupdate_dports_gnome_gnucash-docs/work/destroot/opt/local/share/omf/gnucash-docs/$file";
\
done
make[3]: Nothing to be done for `install-exec-am'.
make[3]: Nothing to be done for `install-data-am'.
make[2]: Nothing to be done for `install-exec-am'.
make[2]: Nothing to be done for `install-data-am'.
Error: Target com.apple.destroot returned: error copying
"/opt/local/var/db/dports/sources/rsync.rsync.darwinports.org_dpupdate_dports/gnome/gnucash-docs/files/index.html"
to "/opt/local/var/db/dports/build/_opt_local_var_db_dports_sources_rsync.rsync.darwinports.org_dpupdate_dports_gnome_gnucash-docs/work/destroot//opt/local/share/doc/gnucash/index.html":
file already exists
Warning: the following items did not execute (for gnucash-docs):
com.apple.activate com.apple.destroot com.apple.install
Error: The following dependencies failed to build: gnucash-docs
Error: Status 1 encountered during processing.

-- 
Brett Warden