compiler warnings in ODBC

Can someone look at this compiler warning I am seeing in ODBC:

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gcc -O2 -pipe -m486 -Wall -Wmissing-prototypes -Wmissing-declarations -g -Wall -
O1 -Wmissing-prototypes -Wmissing-declarations -fpic -I. -I../../../src/include 
-I/usr/local/include/readline -I/usr/contrib/include -DODBCINSTDIR='"/usr/local/
pgsql/etc"'  -c -o info.o info.c
info.c: In function `PGAPI_ForeignKeys':
info.c:2901: warning: `pkey_text' might be used uninitialized in this function
info.c:2903: warning: `fkey_text' might be used uninitialized in this function
info.c:2905: warning: `pkt_text' might be used uninitialized in this function
info.c:2907: warning: `fkt_text' might be used uninitialized in this function

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