key/key-misc.c: Fix bogus parentheses in macro.

The old, bogus behaviour was that it would report `KERR_READONLY' if the
keyring was neither open for writing, /nor/ modified.  I think this is
relatively benign, but still well deserving of fixing.

Spotted by Clang.

(cherry picked from commit 924c7057076a23e322d40693912633dc546867e9)

diff --git a/key/key-misc.c b/key/key-misc.c
index 80e9597..c3442f2 100644 (file)
--- a/key/key-misc.c
+++ b/key/key-misc.c
@@ -42,7 +42,7 @@
 /*----- Useful macros -----------------------------------------------------*/
 
 #define KEY_WRITE(f) do {                                              \
-     if (!(f)->f & KF_WRITE)                                           \
+     if (!((f)->f & KF_WRITE))                                         \
        return (KERR_READONLY);                                         \
    } while (0)