janitor - fix ~20 -Wunused-value all from one macro

diff --git a/lib/sfio/sfhdr.h b/lib/sfio/sfhdr.h
index 5e9be9d7350b8a7087554d3df4a8cdc9e487d815..80907db108776b6c16296a03f90eecd0a5801d63 100644 (file)
--- a/lib/sfio/sfhdr.h
+++ b/lib/sfio/sfhdr.h
@@ -711,7 +711,7 @@ extern "C" {
 #define SF_ECONT       3       /* can continue normally                */
 
 #define SETLOCAL(f)    ((f)->mode |= SF_LOCAL)
-#define GETLOCAL(f,v)  ((v) = ((f)->mode&SF_LOCAL), (f)->mode &= ~SF_LOCAL, (v))
+#define GETLOCAL(f,v)  ((v) = ((f)->mode&SF_LOCAL), (f)->mode &= ~SF_LOCAL, (void)(v))
 #define SFWRALL(f)     ((f)->mode |= SF_RV)
 #define SFISALL(f,v)   ((((v) = (f)->mode&SF_RV) ? ((f)->mode &= ~SF_RV) : 0), \
                         ((v) || (f)->extent < 0 || \