K 10
svn:author
V 6
pkubaj
K 8
svn:date
V 27
2019-09-21T16:36:21.924381Z
K 7
svn:log
V 299
audio/protracker: fix build on GCC architectures

Add USE_CSTD=c99 to fix build:
/wrkdirs/usr/ports/audio/protracker/work/protracker-2.3d.r191/src/pt_visuals.c:1272: error: 'for' loop initial declaration used outside C99 mode

PR:		240703
Approved by:	portmgr (blanket: build fix), linimon (mentor)

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