Add an explanatory comment in sock_try_connect()

src/sockutil.c

@@ -168,7 +168,10 @@ int sock_try_connect( int fd, struct sockaddr* to, socklen_t addrlen, int wait )
 					break; /* success */
 				case EAGAIN:
 				case EINTR:
-					break; /* Try again */
+					/* Try connect() again. This only breaks out of the switch,
+					 * not the do...while loop. since result == -1, we go again.
+					 */
+					break;
 				default:
 					warn( SHOW_ERRNO( "Failed to connect()" ) );
 					goto out;