fix for clang-18 package (now includes also the runtime)

fritzkink

2024-03-20 73c51c566ac5fcd15763f26539f6f2196d8af04e

 components/developer/clang-18/pkg5

@@ -12,6 +12,7 @@
        "system/library/math"
    ],
    "fmris": [
        "runtime/clang-18",
        "developer/clang-18"
    ],
    "name": "clang-18"