gstcheck: Document strcmp used in string cmp macros

strcmp() does not allow the arguments to be NULL, but g_strcmp0()
does, so document that we use g_strcmp0() so that people don't need to
worry about that.

diff --git a/libs/gst/check/gstcheck.h b/libs/gst/check/gstcheck.h
index 9900728..45f7a58 100644 (file)
--- a/libs/gst/check/gstcheck.h
+++ b/libs/gst/check/gstcheck.h
@@ -428,7 +428,7 @@ G_STMT_START {                                                              \
  * @a: a string literal or expression
  * @b: a string literal or expression
  *
- * This macro checks that @a and @b are equal (as per strcmp) and aborts if
+ * This macro checks that @a and @b are equal (as per g_strcmp0()) and aborts if
  * this is not the case, printing both expressions and the values they
  * evaluated to. This macro is for use in unit tests.
  */
@@ -444,7 +444,7 @@ G_STMT_START {                                                      \
  * @a: a string literal or expression
  * @b: a string literal or expression
  *
- * This macro checks that @a and @b are equal (as per strcmp) and aborts if
+ * This macro checks that @a and @b are equal (as per g_strcmp0()) and aborts if
  * this is not the case, printing both expressions and the values they
  * evaluated to. This macro is for use in unit tests.
  */