Moved WARNS?=6 out of subdir Makefiles in to src/bin/Makefile.inc.
Subdir that need lower values should set WARNS instead.

Bump WARNS to 6.
Move WARNS under PROG in test.
Remove commented MLINKS in varsym, it is automatically handled through PROG.

Add the varsym_list() system call and add listing support to the varsym
utility.

Work done by: Eirik Nygaard <eirikn@kerneled.com> and Matt Dillon

Add the 'varsym' utility which may be used to manipulate system-wide and
user-wide variables. Note that it is not quite complete, it can only set
and retrieve specific variables and cannot yet list

Add the 'varsym' utility which may be used to manipulate system-wide and
user-wide variables. Note that it is not quite complete, it can only set
and retrieve specific variables and cannot yet list the variables.

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