mozjs_17.0.0: Fix build error in powerpc(e500v2)

To fix the bug as following

error: cannot convert '__va_list_tag**' to '__va_list_tag (*)[1]' for
argument '5' to 'JSBool TryArgumentFormatter(JSContext*, const char**,
JSBool, jsval**, __va_list_tag (*)[1])'

Signed-off-by: Lei Maohui <leimaohui@cn.fujitsu.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>