commit 0c9f4a5: [Minor] Fix find invocation

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2020-07-30 13:09:28 +0100
URL: https://github.com/rspamd/rspamd/commit/0c9f4a5dceba9a8ecd8a359826518ed30e124595

[Minor] Fix find invocation

---
 rules/bitcoin.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rules/bitcoin.lua b/rules/bitcoin.lua
index c4a34d24f..406f4afa9 100644
--- a/rules/bitcoin.lua
+++ b/rules/bitcoin.lua
@@ -100,6 +100,7 @@ local function verify_beach32_cksum(hrp, elts)
   return polymod(hrpExpand(hrp), elts) == 1
 end
 
+
 local function gen_bleach32_table(input)
   local d = {}
   local i = 1
@@ -108,7 +109,7 @@ local function gen_bleach32_table(input)
 
   fun.each(function(byte)
     if res then
-      local pos = charset:find(byte)
+      local pos = charset:find(byte, 1, true)
       if not pos then
         res = false
       else