K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2020-08-28T18:11:23.701500Z
K 7
svn:log
V 264
x11-wm/tvtwm: Fix build with LLVM 11

The fix for this is identical to that of x11-wm/piewm; remove the patch that
explicitly de-externs yylineno when it's explicitly defined in another
compilation unit (by flex).

PR:		248976
MFH:		2020Q3 (-fno-common build fix)

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