games/prboom-plus: Update to 2.6.66

Added glu dependency (for modular X11).

What's Changed
==============

- Move default data directory to XDG_DATA_HOME on Linux by @facespkz in #470
- sort resolutions by width first and height second by @fabiangreffrath in #472
- check return status when checking for old prboom_dir by @facespkz in #473
- Fix integer overflow during multiplication with realtic_clock_rate
  by @jengelh in #476
- Fix UMAPINFO par times not loading for finale levels.
  by @JadingTsunami in #479
- Don't overwrite user-configured custom docdir by @vilhelmgray in #480
- Generate mixer buffer size from sample rate by @facespkz in #483
- Allow uppercase episode shortcuts in UMAPINFO by @facespkz in #486
- Add complevel hints for Default compatibility level by @facespkz in #488
- UMAPINFO: Fix nextsecret inconsistencies by @rfomin in #497
- Fix mid-texture judder when upper and middle textures overlap.
  by @JadingTsunami in #507
- include wipe effect into video capture by @vadosnaprimer in #506
- allow to -warp to MAP00 by @fabiangreffrath in #509
- Workaround for optimization bug in clang by @rfomin in #512
- Show a message when demo recording starts. by @JadingTsunami in #517
- Remove shift when initializing translation tables vs. colormap.
  by @JadingTsunami in #519
- Fix PortMidi level transitions by @ceski-1 in #523
- replace doomedsda.us links with dsdarchive.com by @andrey-budko in #525
- Add proper SysEx support to PortMidi by @ceski-1 in #526
- Fix color translation tables to not rely on player map arrow colors.
  by @JadingTsunami in #527
- Fix pitch bend typo for PortMidi by @ceski-1 in #529
- Add configurable reverb and chorus for PortMidi by @ceski-1 in #530
- Adjust music volume slider to match vanilla Doom by @ceski-1 in #531
- Use non-linear scaling for high volume levels by @ceski-1 in #532
- Adjust PortMidi volume slider to match midiOutSetVolume by @ceski-1 in #533
- Remove alpha channel from FBO scene texture. by @JadingTsunami in #534
- UMAPINFO: bring par times fix in line with Woof by @fabiangreffrath in #537
- Fixing wall texture bleed when a sector is inside the sky
  by @JadingTsunami in #542
- Send all notes/sound off prior to SysEx reset by @ceski-1 in #543
- Fix MIDI looping when using reset delay by @ceski-1 in #544
- Clean up and fixes for PortMidi by @ceski-1 in #548
- Fix FluidSynth mode and polyphony by @ceski-1 in #550
- PortMidi: Use channel volume control, remove extra delay after reset
  by @ceski-1 in #552
- Replace win_fopen.c with wrappers used in Chocolate Doom by @rfomin in #554
- PortMidi: Preserve timing when filtering SysEx; default to GM mode
  by @ceski-1 in #555
- PortMidi: Add fix for MS GS Synth bug by @ceski-1 in #557
- PortMidi: Fix songs with missing "hold pedal off" events by @ceski-1 in #560
- PortMidi: Send "reset all controllers" when song loops by @ceski-1 in #562
- Fix M_getcwd() in MinGW build by @rfomin in #563
- Fix string overflow with large map numbers. by @JadingTsunami in #569
- Supply correct texture format for GL wipe. by @JadingTsunami in #570
- PortMidi: Update volume after "reset all controllers" event
  by @ceski-1 in #571
- PortMidi: Optimize reset messages by @ceski-1 in #572
- PortMidi Updates by @ceski-1 in #576
- UMAPINFO: Introduce the new author field. by @rfomin in #436

(micha)