Common/ByteStream: Add explicit include for alloca

src/common/byte_stream.cpp

@@ -9,6 +9,7 @@
 #include <cstdlib>
 #include <cstring>
 #include <sys/stat.h>
+
 #if defined(_WIN32)
 #include "windows_headers.h"
 #include <direct.h>
@@ -19,6 +20,12 @@
 #include <sys/types.h>
 #endif
 
+#ifdef _MSC_VER
+#include <malloc.h>
+#else
+#include <alloca.h>
+#endif
+
 Log_SetChannel(ByteStream);
 
 class FileByteStream : public ByteStream