tree 3cb8bd1fe617ee5664da918e3bebb808d6c8cf44
parent e8f36330d9bb27f9f7e66aa6f01ff92c07d86f62
author Denys Vlasenko <vda.linux@googlemail.com> 1315418499 +0200
committer Denys Vlasenko <vda.linux@googlemail.com> 1315418499 +0200

awk: next_input_file can return NULL, don't SEGV in this case.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>