Commit8dd1511

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Improve GSSAPI Encryption startup comment in libpq

The original comment was a bit confusing, pointed out by Alvaro Herrera.Thread:https://postgr.es/m/20191224151520.GA16435%40alvherre.pgsql

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Lines changed: 6 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -2800,10 +2800,12 @@ PQconnectPoll(PGconn *conn)`
`2800`	`2800`	`#ifdefENABLE_GSS`
`2801`	`2801`
`2802`	`2802`	`/*`
`2803`		`- * If GSSAPI is enabled and we have a credential cache, try to`
`2804`		`- * set it up before sending startup messages. If it's already`
`2805`		`- * operating, don't try SSL and instead just build the startup`
`2806`		`- * packet.`
	`2803`	`+ * If GSSAPI encryption is enabled, then call`
	`2804`	`+ * pg_GSS_have_cred_cache() which will return true if we can`
	`2805`	`+ * acquire credentials (and give us a handle to use in`
	`2806`	`+ * conn->gcred), and then send a packet to the server asking`
	`2807`	`+ * for GSSAPI Encryption (and skip past SSL negotiation and`
	`2808`	`+ * regular startup below).`
`2807`	`2809`	`*/`
`2808`	`2810`	`if (conn->try_gss&& !conn->gctx)`
`2809`	`2811`	`conn->try_gss=pg_GSS_have_cred_cache(&conn->gcred);`

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