Fixed crash in joy_ff_stop_effects caused by uninitialized function pointers.

git-svn-id: svn://svn.icculus.org/fs2open@10146 387891d4-d844-0410-90c0-e4c51a9137d3
feature commit: excluding weapons from linked fire penalty (per request)

git-svn-id: svn://svn.icculus.org/fs2open@10147 387891d4-d844-0410-90c0-e4c51a9137d3
Fixed a merging screw-up which broke the $Action condition.

git-svn-id: svn://svn.icculus.org/fs2open@10148 387891d4-d844-0410-90c0-e4c51a9137d3