Avoid gcc warning in diff-stages.c

Put explicit parentheses around && in ||-expression.

diff --git a/diff-stages.c b/diff-stages.c
index f0998149cf1adba825413e15e4279db4da5f71eb..9d8cc73e67165e685b6938172ca7dc68330ed31b 100644 (file)
--- a/diff-stages.c
+++ b/diff-stages.c
@@ -107,7 +107,7 @@ int main(int ac, const char **av)
            ! (0 <= stage1 && stage1 <= 3) ||
            sscanf(av[2], "%d", &stage2) != 1 ||
            ! (0 <= stage2 && stage2 <= 3) ||
-           find_copies_harder && detect_rename != DIFF_DETECT_COPY)
+           (find_copies_harder && detect_rename != DIFF_DETECT_COPY))
                usage(diff_stages_usage);
 
        av += 3; /* The rest from av[0] are for paths restriction. */