X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=ghc%2Frts%2FHash.h;h=ad55953da4c56198eb57cbe395f558371e355601;hb=5c67b7e313b2455ca65d5aa5970d86889145e97e;hp=208deb5813521d6e324c3a1d1b2e14128b6d71f2;hpb=94e06463420582cc2d336b39a297e82af39e4cc4;p=ghc-hetmet.git

diff --git a/ghc/rts/Hash.h b/ghc/rts/Hash.h
index 208deb5..ad55953 100644
--- a/ghc/rts/Hash.h
+++ b/ghc/rts/Hash.h
@@ -6,6 +6,9 @@
  *
  * -------------------------------------------------------------------------- */
 
+#ifndef HASH_H
+#define HASH_H
+
 typedef struct hashtable HashTable; /* abstract */
 
 /* Hash table access where the keys are StgWords */
@@ -32,3 +35,6 @@ HashTable * allocStrHashTable ( void );
 /* Freeing hash tables 
  */
 void freeHashTable ( HashTable *table, void (*freeDataFun)(void *) );
+
+#endif /* HASH_H */
+