build: BSD od related adjustments in hgen.sh
diff --git a/limine-install/hgen.sh b/limine-install/hgen.sh
index 54677ce4..bd5ab465 100755
--- a/limine-install/hgen.sh
+++ b/limine-install/hgen.sh
@@ -9,7 +9,7 @@ cat <<EOF
const uint8_t _binary_limine_hdd_bin_data[] = {
EOF
-od -v -An -t x1 <limine-hdd.bin | "$SED" 's/ /, 0x/g;s/^, / /g;s/$/,/g'
+od -v -An -t x1 <limine-hdd.bin | "$SED" '/^$/d;s/^ */ /g;s/ *$//g;s/ / /g;s/ /, 0x/g;s/^, / /g;s/$/,/g'
cat <<EOF
};
