Update crates/libafl_nyx/build_nyx_support.sh

Co-authored-by: Copilot <[email protected]>

Author: tokatoka

crates/libafl_nyx/build_nyx_support.sh

@@ -53,7 +53,7 @@ echo "[*] Checking QEMU-Nyx ..."
 if [ ! -f "QEMU-Nyx/x86_64-softmmu/qemu-system-x86_64" ]; then
     cd QEMU-Nyx/ || return
     # We need to copy our custom `Makefile.libxdc` after `git submodule update`, otherwise we get a git error.
-    sed -i "s,git submodule update libxdc$,git submodule update libxdc \&\& cp "$SCRIPT_DIR"/Makefile.libxdc ./libxdc/Makefile || exit 1," compile_qemu_nyx.sh
+    sed -i "s,git submodule update libxdc$,git submodule update libxdc \&\& cp \"\$SCRIPT_DIR\"/Makefile.libxdc ./libxdc/Makefile || exit 1," compile_qemu_nyx.sh
     ./compile_qemu_nyx.sh lto
     cd ..
 fi