[m-rev.] diff: fix invalid C statement

[Peter Wang]

Branches: main

runtime/mercury_goto.h:
        Fix an invalid C statement "(void)".

diff --git a/runtime/mercury_goto.h b/runtime/mercury_goto.h
index d1e4cf9..cee8c0a 100644
--- a/runtime/mercury_goto.h
+++ b/runtime/mercury_goto.h
@@ -363,7 +363,7 @@
 	    : "0"(MR_succip_word)			\
 	    )
   #else
-    #define MR_FORCE_SUCCIP_STORE   (void)
+    #define MR_FORCE_SUCCIP_STORE   ((void) 0)
   #endif
 
   /*

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