FreeBSD/ports a66b1d7 (r474753)graphics/flam3 Makefile distinfo, graphics/flam3/files patch-png.c sincos.c

graphics/flam3: Update 2.7.18 -> 3.1.1-5

Port changes:
* Use DISTVERSION
* Change to github
* Update COMMENT
* Add LICENSE/LICENSE_FILE
* Change to shared library
* Add the ad-hoc implemantation for sincos linuxism

PR:             229193
Approved by:    maintainer's timeout (john.c.prather at gmail.com; 25 days)
DeltaFile
+0-76graphics/flam3/files/patch-png.c
+20-8graphics/flam3/Makefile
+6-0graphics/flam3/files/sincos.c
+3-2graphics/flam3/distinfo
+4-1graphics/flam3/pkg-plist
+33-875 files

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