[m-dev.] Possible NULL pointer dereference in Mercury ODBC library

[Keri Harris]

Hi,

When compiling the Mercury ODBC library (extras/odbc) I get the 
following warning:

odbc.m: In function 'odbc_do_cleanup_statement':
odbc.m:1695:14: warning: the comparison will always evaluate as 'true' 
for the address of 'stat' will never be NULL [-Waddress]
      if (stat != NULL) {
               ^
This looks like it's due to a typo (stat vs statement) and could 
possibly lead to a NULL pointer dereference. The attached patch 
addresses this.


Thanks

Keri
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