Add missing comma

Author: BenMotz

hashtable.csv

@@ -15,7 +15,7 @@ keccak-256,         ,                         0x1B
 keccak-384,         ,                         0x1C
 keccak-512,         ,                         0x1D
 murmur3-128,        ,                         0x22
-murmur3-32          ,                         0x23
+murmur3-32,         ,                         0x23
 ,, Note: keccak has variable output length. The number specifies the core length
 blake2b-8,Blake2b consists of 64 output lengths that give different hashes,0xb201
 blake2b-16,,0xb202