Fixed CLI Error Message

cli/src/main.cpp

@@ -134,11 +134,11 @@ int main(int argc, char **argv) {
 	    std::printf("OK: sent message\n");
     }
     else {
-	    std::printf("ERR: couldnt send message: %s\n", err.message());
+      std::printf("ERR: couldnt send message: %s\n", err.message().c_str());
     }
     bai::read(socket, recvbuf, bai::transfer_all(), err);
     if(err && err != bai::error::eof) {
-	    std::printf("ERR: couldnt recieve message: %s\n", err.message());
+      std::printf("ERR: couldnt recieve message: %s\n", err.message().c_str());
     }
     else {
 	    std::printf("OK: recieved message %s\n", bai::buffer_cast<const char*>(recvbuf.data()));
@@ -153,11 +153,11 @@ int main(int argc, char **argv) {
 	    std::printf("OK: sent message\n");
     }
     else {
-	    std::printf("ERR: couldnt send message: %s\n", err.message());
+      std::printf("ERR: couldnt send message: %s\n", err.message().c_str());
     }
     bai::read(socket, recvbuf, bai::transfer_all(), err);
     if(err && err != bai::error::eof) {
-	    std::printf("ERR: couldnt recieve message: %s\n", err.message());
+      std::printf("ERR: couldnt recieve message: %s\n", err.message().c_str());
     }
     else {
 	    std::printf("OK: recieved message %s\n", bai::buffer_cast<const char*>(recvbuf.data()));