Fix typo in e2fsck error message.

Thanks to Solar Designer for pointing out the missing preposition.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index 5f1aaa2..4e1b814 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -613,7 +613,7 @@
 			if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
 			conflict_opt:
 				fatal_error(ctx, 
-	_("Only one the options -p/-a, -n or -y may be specified."));
+	_("Only one of the options -p/-a, -n or -y may be specified."));
 			}
 			ctx->options |= E2F_OPT_PREEN;
 			break;