chore: make C++ always define all installed symbols.

[jmirabel]

Avoid having undefined symbols when the library is not compiled with GLPK or qpOASES support.

Checklists:

• [x] Update HISTORY.md with a single line describing this PR

After this is merge, @hungpham2511 could you make a patch release pls ?

[hungpham2511]

@jmirabel 0.5.2 has been released with a new tag.