media-libs/opencolorio: fix build with GCC 12

Closes: https://bugs.gentoo.org/841479
Signed-off-by: Sam James <sam@gentoo.org>

media-libs/opencolorio/files/opencolorio-2.1.1-gcc12.patch

@@ -0,0 +1,14 @@
+https://src.fedoraproject.org/rpms/OpenColorIO/raw/rawhide/f/OCIO-strlen.patch
+https://github.com/AcademySoftwareFoundation/OpenColorIO/commit/4fa94918c2cf572dcaf61ca07016f3b5c231c14c
+https://bugs.gentoo.org/841479
+--- a/src/OpenColorIO/FileRules.cpp
++++ b/src/OpenColorIO/FileRules.cpp
+@@ -3,6 +3,7 @@
+ 
+ #include <algorithm>
+ #include <cctype>
++#include <cstring>
+ #include <map>
+ #include <regex>
+ #include <sstream>
+

media-libs/opencolorio/opencolorio-2.1.1-r7.ebuild

@@ -55,6 +55,10 @@ RESTRICT="test"
 
 CMAKE_BUILD_TYPE=RelWithDebInfo
 
+PATCHES=(
+	"${FILESDIR}"/${P}-gcc12.patch
+)
+
 pkg_setup() {
 	use python && python-single-r1_pkg_setup
 }