commit 4fc78878e01451d6465e2072f3f0653182f885c1
Author: Wayne Davison <wayned@samba.org>
Date:   Sun May 1 16:29:34 2016 -0700

    Tweak indentation only.

diff --git a/checksum.c b/checksum.c
index 6ebb56b..bac775d 100644
--- a/checksum.c
+++ b/checksum.c
@@ -188,32 +188,31 @@ void sum_update(const char *p, int32 len)
 {
 	if (protocol_version >= 30) {
 		md5_update(&md, (uchar *)p, len);
-		return;
-	}
+	} else {
+		if (len + sumresidue < CSUM_CHUNK) {
+			memcpy(md.buffer + sumresidue, p, len);
+			sumresidue += len;
+			return;
+		}
 
-	if (len + sumresidue < CSUM_CHUNK) {
-		memcpy(md.buffer + sumresidue, p, len);
-		sumresidue += len;
-		return;
-	}
+		if (sumresidue) {
+			int32 i = CSUM_CHUNK - sumresidue;
+			memcpy(md.buffer + sumresidue, p, i);
+			mdfour_update(&md, (uchar *)md.buffer, CSUM_CHUNK);
+			len -= i;
+			p += i;
+		}
 
-	if (sumresidue) {
-		int32 i = CSUM_CHUNK - sumresidue;
-		memcpy(md.buffer + sumresidue, p, i);
-		mdfour_update(&md, (uchar *)md.buffer, CSUM_CHUNK);
-		len -= i;
-		p += i;
-	}
+		while (len >= CSUM_CHUNK) {
+			mdfour_update(&md, (uchar *)p, CSUM_CHUNK);
+			len -= CSUM_CHUNK;
+			p += CSUM_CHUNK;
+		}
 
-	while (len >= CSUM_CHUNK) {
-		mdfour_update(&md, (uchar *)p, CSUM_CHUNK);
-		len -= CSUM_CHUNK;
-		p += CSUM_CHUNK;
+		sumresidue = len;
+		if (sumresidue)
+			memcpy(md.buffer, p, sumresidue);
 	}
-
-	sumresidue = len;
-	if (sumresidue)
-		memcpy(md.buffer, p, sumresidue);
 }
 
 int sum_end(char *sum)
@@ -221,12 +220,12 @@ int sum_end(char *sum)
 	if (protocol_version >= 30) {
 		md5_result(&md, (uchar *)sum);
 		return MD5_DIGEST_LEN;
-	}
-
-	if (sumresidue || protocol_version >= 27)
-		mdfour_update(&md, (uchar *)md.buffer, sumresidue);
+	} else {
+		if (sumresidue || protocol_version >= 27)
+			mdfour_update(&md, (uchar *)md.buffer, sumresidue);
 
-	mdfour_result(&md, (uchar *)sum);
+		mdfour_result(&md, (uchar *)sum);
 
-	return MD4_DIGEST_LEN;
+		return MD4_DIGEST_LEN;
+	}
 }