mount: fix incorrect usage of strtok (inadvertently used NULL sometimes).

the change is "for(xxx)...." -> "if(var) for(xxx)...", but my gcc 4.1.2
adds _158 bytes_!! WTF?? 8(

diff --git a/util-linux/mount.c b/util-linux/mount.c
index 7dd70392a5bfe28dafdbf2bf734ea9038d79a6b6..b76c38ab1d4e2a499b5a5d857a4af66b0af613d3 100644 (file)
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -886,8 +886,7 @@ static int nfsmount(struct mntent *mp, int vfsflags, char *filteropts)
        nfsvers = 0;
 
        /* parse options */
-
-       for (opt = strtok(filteropts, ","); opt; opt = strtok(NULL, ",")) {
+       if (filteropts) for (opt = strtok(filteropts, ","); opt; opt = strtok(NULL, ",")) {
                char *opteq = strchr(opt, '=');
                if (opteq) {
                        static const char *const options[] = {