replace assert.h with cassert

The former was deprecated with C++14.

According to the C++11 and C++17 standards, both files are identical.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

src/output/plugins/JackOutputPlugin.cxx

@@ -29,8 +29,7 @@
 #include "Log.hxx"
 
 #include <atomic>
-
-#include <assert.h>
+#include <cassert>
 
 #include <jack/jack.h>
 #include <jack/types.h>

src/output/plugins/OssOutputPlugin.cxx

@@ -27,6 +27,7 @@
 #include "util/ByteOrder.hxx"
 #include "Log.hxx"
 
+#include <cassert>
 #include <iterator>
 #include <stdexcept>
 
@@ -36,7 +37,6 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include <assert.h>
 
 #if defined(__OpenBSD__) || defined(__NetBSD__)
 # include <soundcard.h>

src/output/plugins/PulseOutputPlugin.cxx

@@ -33,9 +33,9 @@
 #include <pulse/subscribe.h>
 #include <pulse/version.h>
 
+#include <cassert>
 #include <stdexcept>
 
-#include <assert.h>
 #include <stddef.h>
 #include <stdlib.h>
 

src/output/plugins/RecorderOutputPlugin.cxx

@@ -30,10 +30,10 @@
 #include "util/Domain.hxx"
 #include "util/ScopeExit.hxx"
 
-#include <stdexcept>
+#include <cassert>
 #include <memory>
+#include <stdexcept>
 
-#include <assert.h>
 #include <stdlib.h>
 
 static constexpr Domain recorder_domain("recorder");

src/output/plugins/ShoutOutputPlugin.cxx

@@ -30,10 +30,10 @@
 
 #include <shout/shout.h>
 
-#include <stdexcept>
+#include <cassert>
 #include <memory>
+#include <stdexcept>
 
-#include <assert.h>
 #include <stdio.h>
 
 static constexpr unsigned DEFAULT_CONN_TIMEOUT = 2;

src/output/plugins/httpd/HttpdClient.cxx

@@ -27,7 +27,8 @@
 #include "net/UniqueSocketDescriptor.hxx"
 #include "Log.hxx"
 
-#include <assert.h>
+#include <cassert>
+
 #include <string.h>
 #include <stdio.h>
 

src/output/plugins/httpd/HttpdOutputPlugin.cxx

@@ -32,7 +32,7 @@
 #include "util/DeleteDisposer.hxx"
 #include "config/Net.hxx"
 
-#include <assert.h>
+#include <cassert>
 
 #include <string.h>