[llvm] [DWARFLinker][NFC] Rename libraries to match with directories name. (PR #77592)

[Nico Weber via llvm-commits]

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@@ -1,4 +1,5 @@
 set(LLVM_LINK_COMPONENTS
+  DWARFLinker
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nico wrote:

also seems unrelated

https://github.com/llvm/llvm-project/pull/77592