[PATCH] Spell __attribute__ correctly in cache.h.

Sun's cc doesn't know __attribute__.

Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/cache.h b/cache.h
index 742378f..9964667 100644
--- a/cache.h
+++ b/cache.h
@@ -41,7 +41,7 @@
 #endif
 
 #ifndef __attribute__
-#define __attribute(x)
+#define __attribute__(x)
 #endif
 
 /*