fix (uncompiled) typo

output was not properly descaled when compiled
without USE_GAMMA_COMPRESSION

Change-Id: I5282c9573cfcfbef4be22b6b3cdec7e16cad9c1c
neon: add INIT_VECTOR2

used to initialize NxMx2 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: I4accc305c7dd4c886b63c22e38890b629bffb139
neon: add INIT_VECTOR3

used to initialize NxMx3 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: Idad2f278ab104cf2cc650517194258ce3cfb37b4
neon: add INIT_VECTOR4

used to initialize NxMx4 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: I0da7b3d321f3d48579b7863fb2e4d3f449ae7f5e
Merge "fix (uncompiled) typo"
Merge changes I0da7b3d3,Idad2f278,I4accc305

* changes:
  neon: add INIT_VECTOR4
  neon: add INIT_VECTOR3
  neon: add INIT_VECTOR2