Fix tests for >=cmocka-1.1.8 (Tlf#482)

In 1.1.8 CMocka changed the list of required includes for tests. Without the patch it will complain about missing definitions for 'uintptr_t'.

Author: dl1jbe

test/test.h

@@ -9,6 +9,7 @@
 #include <unistd.h>
 #include <stdarg.h>
 #include <stddef.h>
+#include <stdint.h>
 #include <setjmp.h>
 #include <string.h>
 #include <stdbool.h>