simplify cleanup code, remove duplicate logic

Author: Brent Cook

modules/post/windows/gather/credentials/mssql_local_hashdump.rb

@@ -112,16 +112,16 @@ def get_sql_hash(instance_name)
 
     print_status("Attempting to get password hashes...")
 
-    get_hash_result = run_sql(query, instance_name)
+    res = run_sql(query, instance_name)
 
-    if get_hash_result.include?('0x')
+    if res.include?('0x')
       # Parse Data
       if hash_type == "mssql12"
-        crlfRepair = get_hash_result.unpack('H*')[0].gsub("200d0a","PLACEHOLDER").gsub("0d0a","").gsub("PLACEHOLDER","0d0a").gsub(/../) { |pair| pair.hex.chr }
-        hash_array = crlfRepair.split("\r\n").grep(/0x/)
-      else
-        hash_array = get_hash_result.split("\r\n").grep(/0x/)
+        res = res.unpack('H*')[0].gsub("200d0a", "_CRLF_").gsub("0d0a", "").gsub("_CRLF_", "0d0a").gsub(/../) {
+          |pair| pair.hex.chr
+        }
       end
+      hash_array = res.split("\r\n").grep(/0x/)
 
       store_hashes(hash_array, hash_type)
     else