Fix -Wcpp in isc_ipc / inet_server (posix)

(warning redirecting incorrect #include <sys/signal.h> to <signal.h>)

Author: mrotteveel

src/common/os/posix/isc_ipc.cpp

@@ -64,7 +64,9 @@
 #include <signal.h>
 #endif
 
-#ifdef HAVE_SYS_SIGNAL_H
+#if defined(HAVE_SIGNAL_H)
+#include <signal.h>
+#elif defined(HAVE_SYS_SIGNAL_H)
 #include <sys/signal.h>
 #endif
 

src/remote/server/os/posix/inet_server.cpp

@@ -96,10 +96,10 @@
 #include "../auth/trusted/AuthSspi.h"
 #include "../auth/SecureRemotePassword/server/SrpServer.h"
 
-#ifdef HAVE_SYS_SIGNAL_H
-#include <sys/signal.h>
-#else
+#if defined(HAVE_SIGNAL_H)
 #include <signal.h>
+#elif defined(HAVE_SYS_SIGNAL_H)
+#include <sys/signal.h>
 #endif
 
 #ifdef HAVE_SYS_RESOURCE_H