ipaccess: Move the #endif before the curly brace

Fix the compilation on FreeBSD that does not use these names
but they are prefixed with TCPTV_KEEP... instead.
diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 07b47b2..225d70c 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -655,8 +655,8 @@
 			LOGP(DLINP, LOGL_NOTICE,
 			     "Failed to set keepalive count: %s\n",
 			     strerror(errno));
-	}
 #endif
+	}
 }
 
 /* callback of the OML listening filedescriptor */