Build fix.

README.md

@@ -12,8 +12,7 @@ The program runs on GNU/Linux, MacOSX, FreeBSD, and Raspberry Pi.
 | OS           | Status           |
 | ------------ |:-------------:|
 |GNU/Linux & MacOSX| [![Build Status](https://travis-ci.org/weetmuts/wmbusmeters.svg?branch=master)](https://travis-ci.org/weetmuts/wmbusmeters) |
-
-|arm versions|[![CircleCI>](https://circleci.com/gh/weetmuts/wmbusmeters.svg?style=svg)](https://circleci.com/gh/weetmuts/workflows/wmbusmeters)|
+|Arm versions|[![CircleCI>](https://circleci.com/gh/weetmuts/wmbusmeters.svg?style=svg)](https://circleci.com/gh/weetmuts/workflows/wmbusmeters)|
 
 
 | Static Scan        | Status           |

docker/Dockerfile

@@ -9,7 +9,7 @@ RUN make release && chmod 755 build/rtl_wmbus
 
 FROM multiarch/alpine:amd64-latest-stable as scratch
 ENV QEMU_EXECVE=1
-RUN apk add --no-cache mosquitto-clients libstdc++ curl libusb rtl-sdr ncurses
+RUN apk add --no-cache mosquitto-clients libstdc++ curl libusb rtl-sdr
 WORKDIR /wmbusmeters
 COPY --from=build /wmbusmeters/build/wmbusmeters /wmbusmeters/wmbusmeters
 COPY --from=build /rtl-wmbus/build/rtl_wmbus /usr/bin/rtl_wmbus

src/shell.cc

@@ -23,12 +23,7 @@
 #include <memory.h>
 #include <pthread.h>
 #include <sys/types.h>
-#if defined(__APPLE__) && defined(__MACH__) or defined(__FreeBSD__)
 #include <sys/wait.h>
-#else
-#include <wait.h>
-#endif
-
 #include <unistd.h>
 
 void invokeShell(string program, vector<string> args, vector<string> envs)