add missing `)'

diff --git a/src/tail.c b/src/tail.c
index 9c06334ba9b4a980cbd3465ca2b051a3c8d74481..8783bfdd1db7711fd30b32b64dc95ae05aac0329 100644 (file)
--- a/src/tail.c
+++ b/src/tail.c
@@ -876,7 +876,7 @@ parse_obsolescent_option (int argc, const char *const *argv,
   if (argc < 2)
     return 0;
 
-  if ( ! (p[0] == '+' || (p[0] == '-' && ISDIGIT (p[1])))
+  if ( ! (p[0] == '+' || (p[0] == '-' && ISDIGIT (p[1]))) )
     return 0;
 
   if (*p == '+')