PostgreSQL 7.0.3: Memory leak in ESQL library

Hello,

I've found a memory leak in libecpg of PostgreSQL 7.0.3.
The leak is caused by the memory allocation in
src/interfaces/ecpg/lib/execute.c in line 669 which is never freed.
Adding a "free(array_query);" after PQexec in line 671 seems to fix the
leak.

Regards
Thorsten

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