bug#60572: 29.0.60; c-ts-mode: String spanning multiple lines are not indented

[Mohammed Sadiq <sadiq@sadiqpk.org>]

> Theodor Thornhill <theo@thornhill.no> writes:
>> 
>> Here is a patch fixing this, Yuan.  Feel free to install at your
>> convenience.
>> 
>> Do you agree with this patch, Mohammed?

The line

   puts ("more"
     "test");

is still not indented right (right in the sense, the behavior is
different from c-mode):

I expect the code to be (with indent-tabs-mode set to nil):

   puts ("more"
         "test");

but I get:

   puts ("more"
     "test");