Replace inline tabs with spaces.

Left some in the @output section, since libraries are apparently
emitting tab-separated tables (mysql or mssql)

https://secwiki.org/w/Nmap/Code_Standards

scripts/dns-nsec3-enum.nse

@@ -284,7 +284,7 @@ local function enum(host, port, domain)
             todo[b] = h2
             break
           end
-          if h1 > b  then 	-- a b h1 h2
+          if h1 > b  then  -- a b h1 h2
             todo[b] = nil
             todo[b] = h1
             todo[h2] = a