version_utils.sh: Fix quoting in find_hasher

version_utils.sh

@@ -66,9 +66,9 @@ function find_hasher {
 	if [ "`echo -n "test" | sha256sum 2> /dev/null`" == "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08  -" ]; then
 		HASH_CMD=sha256sum
 	elif [ "`echo -n "test" | shasum -a 256 2> /dev/null`" == "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08  -" ]; then
-		HASH_CMD=shasum -a 256
+		HASH_CMD="shasum -a 256"
 	elif [ "`echo -n "test" | shasum -a 256 -p 2> /dev/null`" == "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08  -" ]; then
-		HASH_CMD=shasum -a 256 -p
+		HASH_CMD="shasum -a 256 -p"
 	else
 		echo "Could not generate SHA-256" >&2
 		exit 1