kselftest: Add missing signature to the comments

Muhammad Usama Anjum · shuahkh · commit b4970a8c50c4 · 2024-05-06T13:57:19.000-06:00
The comment on top of the file is used by many developers to glance over
all the available functions. Add the recently added ksft_perror() to it.

Signed-off-by: Muhammad Usama Anjum &lt;usama.anjum@collabora.com&gt;
Signed-off-by: Shuah Khan &lt;skhan@linuxfoundation.org&gt;
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
@@ -16,6 +16,7 @@
  * For each test, report any progress, debugging, etc with:
  *
  *     ksft_print_msg(fmt, ...);
+ *     ksft_perror(msg);
  *
  * and finally report the pass/fail/skip/xfail state of the test with one of:
  *

Original file line number	Diff line number	Diff line change
`@@ -16,6 +16,7 @@`
`16`	`16`	`* For each test, report any progress, debugging, etc with:`
`17`	`17`	`*`
`18`	`18`	`* ksft_print_msg(fmt, ...);`
	`19`	`+ * ksft_perror(msg);`
`19`	`20`	`*`
`20`	`21`	`* and finally report the pass/fail/skip/xfail state of the test with one of:`
`21`	`22`	`*`