editors/openoffice*: unbreak build with clang 13+
The include file vigra/memory.hxx from the graphics/vigra port
has this error:
/usr/local/include/vigra/memory.hxx:43:12: fatal error: 'tr1/memory' file not found
- include <tr1/memory> ^~~~~~~~~~~~
when compiling with clang 13.0 or newer in -std=gnu++98 mode.
MFH: 2021Q4