Avoid compiler warning when building without zlib

diff --git a/src/bin/pg_dump/compress_io.c b/src/bin/pg_dump/compress_io.c
index 66d2419725348c1b2895a7e3d65d7ed2ab87cc02..8540a75d1135d2ee00138dc4301c3e34dd6fa9cd 100644 (file)
--- a/src/bin/pg_dump/compress_io.c
+++ b/src/bin/pg_dump/compress_io.c
@@ -535,6 +535,7 @@ cfopen_write(const char *path, const char *mode, int compression)
        free(fname);
 #else
        die_horribly(NULL, modulename, "not built with zlib support\n");
+       fp = NULL;              /* keep compiler quiet */
 #endif
    }
    return fp;