Aubit 4GL SVN-Code

Added to pass -Wno-implicit-function-declaration to 4glpc

Fix null handling when converting chars to varchars

Fix null handling in postgresql

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"DIE" fixups

Add code for "last" kludge on form definition
Set the program name in the currentApplication (useful for debugging)
Add gating around checking for fields (which needs a form)

add missing "var" so variable is local

Add "last"

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