Handle an error message that includes single quotes.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@46105 f5534014-38df-0310-8fa8-9805f1628bb7

diff --git a/test/suite-clopts.sh b/test/suite-clopts.sh
index 72cf02e9cc6d796822ef2f93d3a69df91233b70d..5a534792b36a46ba964222f059c7f9eb0436d675 100755 (executable)
--- a/test/suite-clopts.sh
+++ b/test/suite-clopts.sh
@@ -233,7 +233,7 @@ clopts_step_tshark_invalid_interfaces() {
        if [ ! $RETURNVALUE -eq $EXIT_COMMAND_LINE ]; then
                test_step_failed "exit status: $RETURNVALUE"
        else
-               grep -i 'Failed to match interface 'invalid_interface'' ./testout.txt > /dev/null
+               grep -i "Failed to match interface 'invalid_interface'" ./testout.txt > /dev/null
                if [ $? -eq 0 ]; then
                        test_step_output_print ./testout.txt
                        test_step_ok