dyndbg: add missing MODULE_DESCRIPTION() macro

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_dynamic_debug.o

Add the missing invocation of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

lib/test_dynamic_debug.c

···
 module_exit(test_dynamic_debug_exit);
 
 MODULE_AUTHOR("Jim Cromie <[e-mail]>");
+MODULE_DESCRIPTION("Kernel module for testing dynamic_debug");
 MODULE_LICENSE("GPL");