Fix some issues reported by the static analysis

src/actions/init_col.cc

@@ -53,6 +53,8 @@ bool InitCol::init(std::string *error) {
 bool InitCol::evaluate(Rule *rule, Transaction *transaction) {
     std::string collectionName;
     collectionName = MacroExpansion::expand(m_collection_value, transaction);
+    std::cout << "Collection is not implemented yet, here is the ";
+    std::cout << "collection name: " << collectionName << std::endl;
     return true;
 }
 

src/operators/rbl.cc

@@ -114,7 +114,7 @@ void Rbl::futherInfo_httpbl(struct sockaddr_in *sin, std::string ipStr,
     debug(trans, 4, "RBL lookup of " + ipStr + " succeeded. %s: " \
         + std::to_string(days) + " " \
         "days since last activity, threat score " \
-        + std::to_string(score));
+        + std::to_string(score) +  ". Case: " + ptype);
 }
 
 

src/utils.cc

@@ -125,7 +125,6 @@ void chomp(std::string *str) {
 
 
 std::string tolower(std::string str) {
-    std::locale loc;
     std::string value;
     value.resize(str.length());