Fix arch/optimizer specific problem with uninitialized variables.

OpenImageIO-uninit.patch

@@ -0,0 +1,11 @@
+--- a/src/libtexture/texturesys.cpp
++++ b/src/libtexture/texturesys.cpp
+@@ -2477,7 +2477,7 @@ TextureSystemImpl::sample_bicubic (int n
+         } else {
+             wx = evalBSplineWeights (float4(sfrac));
+             wy = evalBSplineWeights (float4(tfrac));
+-#if (defined(__i386__) && !defined(__x86_64__)) || defined(__aarch64__)
++#if !defined(__x86_64__))
+             // Some platforms complain here about these being uninitialized,
+             // so initialize them. Don't waste the cycles for platforms that
+             // don't seem to have that error. It's a false positive -- this

OpenImageIO.spec

@@ -15,6 +15,7 @@ Source0:        https://github.com/%{name}/%{subname}/archive/Release-%{version}
 #Source1:        oiio-images.tar.gz
 
 Patch0:         OpenImageIO-man.patch
+Patch1:         OpenImageIO-uninit.patch
 
 BuildRequires:  cmake gcc-c++
 BuildRequires:  txt2man
@@ -98,6 +99,7 @@ Development files for package %{name}
 %prep
 %setup -q -n oiio-Release-%{version}
 %patch0 -p1
+%patch1 -p1
 
 # Remove bundled pugixml
 rm -f src/include/OpenImageIO/pugixml.hpp \