Fixed alerts by lgtm

Author: sea5kg

src/md5.cpp

@@ -347,7 +347,7 @@ std::string MD5::hexdigest() const
 
 //////////////////////////////
 
-std::ostream& operator<<(std::ostream& out, MD5 md5)
+std::ostream& operator<<(std::ostream& out, MD5 &md5)
 {
   return out << md5.hexdigest();
 }

src/smallsha1.cpp

@@ -39,8 +39,8 @@ namespace sha1
     namespace // local
     {
         // Rotate an integer value to left.
-        inline const unsigned int rol(const unsigned int value,
-                const unsigned int steps)
+        inline const unsigned int rol(unsigned int value,
+                unsigned int steps)
         {
             return ((value << steps) | (value >> (32 - steps)));
         }