Yet another small self-loader fix.

diff --git a/include/neexe.h b/include/neexe.h
index 6faf332..df2d882 100644
--- a/include/neexe.h
+++ b/include/neexe.h
@@ -133,6 +133,7 @@
 #define NE_SEGFLAGS_EXECUTEONLY	0x0080
 #define NE_SEGFLAGS_READONLY	0x0080
 #define NE_SEGFLAGS_RELOC_DATA	0x0100
+#define NE_SEGFLAGS_SELFLOAD	0x0800
 #define NE_SEGFLAGS_DISCARDABLE	0x1000
 
 /*