Snippets for psqlodbc 18.00.0002 from Nix aarch64-darwin

Sourced from https://hydra.nixos.org/log/91l37fxbnv87nhh22kf5clahx9b9z7vp-psqlodbc-18.00.0002.drv.

• convert.c:2774:14: warning: variable 'num_pa' set but not used [-Wunused-but-set-variable]
   2774 |         SQLSMALLINT     num_pa = 0, num_p1, num_p2;
        |                         ^
  

• qresult.c:1343:7: warning: variable 'numTotalRows' set but not used [-Wunused-but-set-variable]
   1343 |         int             numTotalRows = 0;
        |                         ^
  

• pgapi30.c:2295:19: warning: unused variable 'desc' [-Wunused-variable]
   2295 |         DescriptorClass *desc = (DescriptorClass *) DescriptorHandle;
        |                          ^~~~
  

• win_unicode.c:39:15: warning: unused variable 'cdt' [-Wunused-variable]
     39 |         const UCHAR *cdt;
        |                      ^~~
  

• win_unicode.c:990:7: warning: variable 'count' set but not used [-Wunused-but-set-variable]
    990 |         int             count;
        |                         ^