tests/examples: #define GDK_DISABLE_DEPRECATION_WARNINGS

We use gdk_cairo_create() which is deprecated since 3.22.

tests/examples/equalizer/demo.c

@@ -17,6 +17,9 @@
  * Boston, MA 02110-1301, USA.
  */
 
+/* TODO: We use gdk_cairo_create() and others, which are deprecated */
+#define GDK_DISABLE_DEPRECATION_WARNINGS
+
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>

tests/examples/spectrum/demo-audiotest.c

@@ -35,6 +35,9 @@
 #include "config.h"
 #endif
 
+/* TODO: We use gdk_cairo_create() and others, which are deprecated */
+#define GDK_DISABLE_DEPRECATION_WARNINGS
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

tests/examples/spectrum/demo-osssrc.c

@@ -21,6 +21,9 @@
 #include "config.h"
 #endif
 
+/* TODO: We use gdk_cairo_create() and others, which are deprecated */
+#define GDK_DISABLE_DEPRECATION_WARNINGS
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>