Fix argument typo in patched-trunk-install.sh
Fix argument typo in patched-trunk-install.sh

--with-C becomes --with-cxx in final 2 statements

zbeekman/opencoarrays,sourceryinstitute/opencoarrays,zbeekman/opencoarrays,sourceryinstitute/opencoarrays,zbeekman/opencoarrays,sourceryinstitute/opencoarrays