Add option 'generate' to test_non_regression.sh to ease the generation of ROHC output capture.
Add option 'generate' to test_non_regression.sh to ease the generation of ROHC output capture.

didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc