Move sql statement reset

In case the decomrpession call causes us to error, we leave a sql
statement in a dirty state. Move the reset earlier so we don't leave
a dirty statement.

src/lua/endpoints/bio_get.lua

@@ -5,7 +5,6 @@ local db = require("db")
 local queries = require("queries")
 local util = require("util")
 local pages = require("pages")
-local tags = require("tags")
 local session = require("session")
 local config = require("config")
 
@@ -56,11 +55,11 @@ found, please report this error.
 	end
 	assert(err == sql.ROW)
 	local data = stmnt_bio:get_values()
+	stmnt_bio:reset()
 	local bio_text = data[1]
 	if data[1] ~= "" then
 		bio_text = zlib.decompress(data[1])
 	end
-	stmnt_bio:reset()
 	ret = pages.edit_bio{
 		text = bio_text,
 		user = author,