Thread: libpqtypes - libpqtypes: fixed possible null pointer access in

Log Message:
-----------
fixed possible null pointer access in PQparamExec and PQparamSendQuery.  Both functions could have passed the native
libpqcounterparts a NULL command string 

Modified Files:
--------------
    libpqtypes/src:
        exec.c (r1.19 -> r1.20)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/exec.c?r1=1.19&r2=1.20)