ABI after namespace change

Signed-off-by: Larry Gritz <lg@larrygritz.com>

Author: lgritz

.github/workflows/ci.yml

@@ -360,7 +360,7 @@ jobs:
             simd: "avx2,f16c"
             skip_tests: 1
             # abi_check: v2.6.2.0
-            abi_check: 7929c81619ea8201065c475761546d51091f6773
+            abi_check: 889cf33b61e84025750bdc2c827608fe6157c834
             setenvs: export OIIO_CMAKE_FLAGS="-DOIIO_BUILD_TOOLS=0 -DOIIO_BUILD_TESTS=0 -DUSE_PYTHON=0"
                             USE_OPENCV=0 USE_FFMPEG=0 USE_PYTHON=0 USE_FREETYPE=0