More #pragma fixes (idea Ove Kaaven, mistakes are mine).

diff --git a/include/aspi.h b/include/aspi.h
index e19d390..57703e0 100644
--- a/include/aspi.h
+++ b/include/aspi.h
@@ -115,4 +115,6 @@
 typedef struct ASPI_DEVICE_INFO ASPI_DEVICE_INFO;
 static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
 
+#pragma pack(4)
+
 #endif