I get the following warning when I compile src/bin/pg_id/pg_id.c:
gcc -pipe -g -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/include -c -o pg_id.o pg_id.c -MMD pg_id.c: In function `main': pg_id.c:35: warning: unused variable `optarg' The attached trivial patch fixes the warning by removing the variable. Neil Conway
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