blast-plus: Fix typo in sqlite3 configure option

[nboelte]

Checked with source tarballs downloaded from https://ftp.ncbi.nlm.nih.gov/blast/executables/blast+/

~/Downloads/ncbi-blast-2.15.0+-src/c++
13:38 $ ./configure --help|grep sqlite
 --with-sqlite3=DIR      use SQLite 3.x installation in DIR
 --without-sqlite3       do not use SQLite 3.x
~/Downloads/ncbi-blast-2.16.0+-src/c++
13:38 $ ./configure --help|grep sqlite
 --with-sqlite3=DIR      use SQLite 3.x installation in DIR
 --without-sqlite3       do not use SQLite 3.x
~/Downloads/ncbi-blast-2.17.0+-src/c++
13:31 $ ./configure --help|grep sqlite           
 --with-sqlite3=DIR      use SQLite 3.x installation in DIR
 --without-sqlite3       do not use SQLite 3.x

[tldahlgren]

@weijianwen

Added missing package maintainer.

[becker33]

This is included in #4007