make inline.sh more portable
diff --git a/src/inline.sh b/src/inline.sh
index fa282fa..b64e8ca 100755
--- a/src/inline.sh
+++ b/src/inline.sh
@@ -20,6 +20,6 @@
 
 varname="$1"
 echo "const char $varname[] ="
-od -t x1 -A n -v | sed -e 's|[ \t]||g; s|..|\\x&|g; s|^|"|; s|$|"|'
+od -t x1 -A n -v | sed -e 's|^[\t ]\{0,\}$||g; s|[\t ]\{1,\}| |g; s| \{1,\}$||g; s| |\\x|g; s|^|"|; s|$|"|'
 echo ";"