small fix

src/Sapfor.cpp

@@ -2678,7 +2678,7 @@ int main(int argc, char **argv)
             byFileArray.push_back(inFile);
         }
         json allMessages;
-        allMessages["allMessage"] = byFileArray;
+        allMessages["allMessages"] = byFileArray;
 
         FILE* outF = fopen("dump_messages.json", "w");
         fprintf(outF, "%s", allMessages.dump().c_str());