Use compiler-rt from BUILD_PREFIX on windows

Co-authored-by: Isuru Fernando <[email protected]>

recipe/bld.bat

@@ -25,7 +25,7 @@ FOR /F "tokens=* USEBACKQ" %%F IN (`clang.exe -dumpversion`) DO (
 :: https://github.com/llvm/llvm-project/issues/63741
 set "FFLAGS=-D_CRT_SECURE_NO_WARNINGS -D_MT -D_DLL --target=x86_64-pc-windows-msvc -nostdlib"
 set "LDFLAGS=--target=x86_64-pc-windows-msvc -nostdlib -Xclang --dependent-lib=msvcrt -fuse-ld=lld"
-set "LDFLAGS=%LDFLAGS% -Wl,-defaultlib:%LIBRARY_PREFIX%/lib/clang/!CLANG_VER!/lib/windows/clang_rt.builtins-x86_64.lib"
+set "LDFLAGS=%LDFLAGS% -Wl,-defaultlib:%BUILD_PREFIX%/Library/lib/clang/!CLANG_VER!/lib/windows/clang_rt.builtins-x86_64.lib"
 
 :: see explanation here:
 :: https://github.com/conda-forge/scipy-feedstock/pull/253#issuecomment-1732578945