fix docker build (#125)

xwin.dockerfile

@@ -10,7 +10,7 @@ RUN set -eux; \
     curl --fail https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor > $KEYRINGS/llvm.gpg; \
     # wine
     curl --fail https://dl.winehq.org/wine-builds/winehq.key | gpg --dearmor > $KEYRINGS/winehq.gpg; \
-    echo "deb [signed-by=$KEYRINGS/llvm.gpg] http://apt.llvm.org/bullseye/ llvm-toolchain-bookworm-18 main" > /etc/apt/sources.list.d/llvm.list; \
+    echo "deb [signed-by=$KEYRINGS/llvm.gpg] http://apt.llvm.org/bookworm/ llvm-toolchain-bookworm-18 main" > /etc/apt/sources.list.d/llvm.list; \
     echo "deb [signed-by=$KEYRINGS/winehq.gpg] https://dl.winehq.org/wine-builds/debian/ bookworm main" > /etc/apt/sources.list.d/winehq.list;
 
 RUN set -eux; \
@@ -26,7 +26,7 @@ RUN set -eux; \
         # Unpack xwin
         tar; \
     # ensure that clang/clang++ are callable directly
-    ln -s clang-18 /usr/bin/clang && ln -s clang /usr/bin/clang++ && ln -s lld-13 /usr/bin/ld.lld; \
+    ln -s clang-18 /usr/bin/clang && ln -s clang /usr/bin/clang++ && ln -s lld-18 /usr/bin/ld.lld; \
     # We also need to setup symlinks ourselves for the MSVC shims because they aren't in the debian packages
     ln -s clang-18 /usr/bin/clang-cl && ln -s llvm-ar-18 /usr/bin/llvm-lib && ln -s lld-link-18 /usr/bin/lld-link && ln -s llvm-rc-18 /usr/bin/llvm-rc; \
     # Verify the symlinks are correct