iris: store copy of the border color in the border color hash table
Color can be allocated on the stack since 809a81ec.
Closes: #3909 (closed)
Fixes: 809a81ec ("iris: Properly support alpha and luminance-alpha formats")
/cc @kwg
Color can be allocated on the stack since 809a81ec.
Closes: #3909 (closed)
Fixes: 809a81ec ("iris: Properly support alpha and luminance-alpha formats")
/cc @kwg