ports/80693: [maintainer-update] databases/mysql++ to 1.7.35

[Sergey Prikhodko]

> OK on 5.4, but libtool does like gcc33 on FreeBSD-4.x:

> Making all in lib
> source='coldata.cpp' object='coldata.lo' libtool=yes 
> depfile='.deps/coldata.Plo' tmpdepfile='.deps/coldata.TPlo' 
> depmode=gcc3 /bin/sh ../depcomp  /bin/sh /usr/local/bin/libtool15
> --mode=compile g++33 -DHAVE_CONFIG_H  -I. -I. -I.. -I../lib 
> -I/usr/local/include/mysql   -O -pipe -march=pentiumpro -c -o
> coldata.lo `test -f 'coldata.cpp' || echo './'`coldata.cpp
> libtool15: compile: unable to infer tagged configuration
> libtool15: compile: specify a tag with `--tag'
> *** Error code 1

> Stop in /usr/ports/databases/mysql++/work/mysql++-1.7.35/lib.
> *** Error code 1

> Could you please add a libtool tag?

Please, replace in Makefile
USE_LIBTOOL_VER=15  with  HAS_CONFIGURE=yes