X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2FSanity.h;h=3020246a70156c6997879b49278d7306e21433c2;hp=48f3383714625e26f3401d02f9c25443bca0f520;hb=a2a67cd520b9841114d69a87a423dabcb3b4368e;hpb=5d379cbe65e406d5c3a848fe7fcd090cafbfeb78

diff --git a/rts/Sanity.h b/rts/Sanity.h
index 48f3383..3020246 100644
--- a/rts/Sanity.h
+++ b/rts/Sanity.h
@@ -7,6 +7,7 @@
  * ---------------------------------------------------------------------------*/
 
 #ifndef SANITY_H
+#define SANITY_H
 
 #ifdef DEBUG
 
@@ -39,4 +40,3 @@ extern rtsBool isBlackhole( StgTSO* tso, StgClosure* p );
 #endif /* DEBUG */
  
 #endif /* SANITY_H */
-