Fixed a few warnings. It is not allowed to call SAFE_APPLY_MASTER() from the module init code. Rev: src/post_modules/Shuffler/a_source_system_memory.c:1.5 Rev: src/post_modules/Shuffler/b_source_normal_file.c:1.3 Rev: src/post_modules/Shuffler/c_source_stream.c:1.4