FAAD2 2.9.0

[ Krzysztof Nikiel ]

• Build system fixes and code clean-up

[ LoRd_MuldeR ]

• Fix compiler warnings and code indentation
• Fix compilation with GCC <= 4.7.3
• MSVC solution file clean-up

[ Cameron Cawley ]

• Fix compilation with GCC 4.7.4
• Fix compilation with MinGW

[ Michael Fink ]

• MSVC 2017 project file update

[ Hugo Lefeuvre ]

• Fix crash with unsupported MP4 files (NULL pointer dereference,
  division by zero)
• CVE-2019-6956: ps_dec: sanitize iid_index before mixing
• CVE-2018-20196: sbr_fbt: sanitize sbr->M (should not exceed MAX_M)
• CVE-2018-20199, CVE-2018-20360: specrec: better handle unexpected
  parametric stereo (PS)
• CVE-2018-20362, CVE-2018-19504, CVE-2018-20195, CVE-2018-20198,
  CVE-2018-20358: syntax.c: check for syntax element inconsistencies
• CVE-2018-20194, CVE-2018-19503, CVE-2018-20197, CVE-2018-20357,
  CVE-2018-20359, CVE-2018-20361: sbr_hfadj: sanitize frequency band
  borders

[ Hugo Beauzée-Luyssen ]

• CVE-2019-15296, CVE-2018-19502: Fix a couple buffer overflows

[ Filip Roséen ]

• Prevent crash on SCE followed by CPE

[ Gianfranco Costamagna ]

• Fix linking with GCC 9 and "-Wl,--as-needed"

[ Fabian Greffrath ]

• Enable the frontend to be built reproducibly