gpgscm: Avoid fruitless garbage collection cycles.
* tests/gpgscm/scheme-private.h (CELL_MINRECOVER): New macro. * tests/gpgscm/scheme.c (_get_cell): Move the heuristic to get more cells... (gc): ... here where every caller benefits from the optimization.
- Signed-off-by: Justus Winter <justus@g10code.com>