Kill a warning

diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index 50de41556813d78d8c30ff2ba0d9b7aee0ed952f..bdaa883bc9a4331acb624b2af63266dce95efca1 100644 (file)
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -188,7 +188,7 @@ static int _Exec(int type, char *cmd, pval *array, pval *return_value)
 
                while ((b = fread(buf, 1, sizeof(buf), fp)) > 0) {
                        for (i = 0; i < b; i++)
-                               if (output) PUTC(buf[i]);
+                               if (output) (void)PUTC(buf[i]);
                }
        }