Fix two warnings from Clang's static analyzer.
[tinc] / test /
drwxr-xr-x   ..
-rw-r--r-- 403 Makefile.am
-rwxr-xr-x 299 basic.test
-rwxr-xr-x 988 commandline.test
-rwxr-xr-x 114 executables.test
-rwxr-xr-x 1139 import-export.test
-rwxr-xr-x 866 invite-join.test
-rwxr-xr-x 830 ping.test
-rw-r--r-- 5563 pong.c
-rwxr-xr-x 935 sptps-basic.test
-rw-r--r-- 741 testlib.sh
-rwxr-xr-x 1954 variables.test