fix base64

src/cpp/eMailShrinker.cpp

@@ -33,8 +33,8 @@
 ////////////////////////////////////////////////////////////////////////////
 
 #include "version.hpp"
-const std::string kaz::LAST_VERSION_NUM ("2.12");
+const std::string kaz::LAST_VERSION_NUM ("2.13");
-const std::string kaz::LAST_VERSION_DATE ("2022-12-27");
+const std::string kaz::LAST_VERSION_DATE ("2022-12-28");
 const std::string kaz::LAST_VERSION (LAST_VERSION_NUM+" "+LAST_VERSION_DATE+" eMailShrinker");
 
 #include <iostream>

src/cpp/kazMisc.cpp

@@ -292,7 +292,7 @@ kaz::base64Decode (string &content) {
       continue;
     }
 
-    if (isBase64 (c)) {
+    if (!isBase64 (c)) {
       content.resize (lastOK-content.begin ());
       LOG ("kazMisc::base64Decode bug: bad base64 format. (content: " << content << ")");
     }