updated for version 7.3.804
Problem:    Compiler warning for tiny build. (Tony Mechelynck)
Solution:   Add #ifdefs around variable.
Added tag v7-3-804 for changeset 2eb4b9ed2d42
updated for version 7.3.805
Problem:    Lua version 5.2 is not detected properly on Arch Linux.
Solution:   Adjust autoconf. (lilydjwg)
Added tag v7-3-805 for changeset dc30c01f9956
updated for version 7.3.806
Problem:    Compiler warnings in Perl code when building with Visual studio
	    2012. (skeept)
Solution:   Add type casts. (Christian Brabandt, 2013 Jan 30)
Added tag v7-3-806 for changeset f7e3f87ac992