Merge pull request #94 from heucheld/heuchel_raw_macos_fix

Added unistd.h for MacOS in TRestRawMemoryBufferToSignalProcess.cxx

Author: heucheld

src/TRestRawMemoryBufferToSignalProcess.cxx

@@ -112,6 +112,10 @@ using namespace std;
 #include <sys/sem.h>
 #include <sys/shm.h>
 
+#ifdef __APPLE__
+#include <unistd.h>
+#endif
+
 #if (defined(__GNU_LIBRARY__) && !defined(_SEM_SEMUN_UNDEFINED)) || __APPLE__
 // The union is already defined in sys/sem.h
 #else