CLEANUP: cli: rename STAT_CLI_* to CLI_ST_*

These are in CLI states, not stats states anymore. STAT_CLI_O_CUSTOM
was more appropriately renamed CLI_ST_CALLBACK.
diff --git a/src/stream.c b/src/stream.c
index 0c0a34f..8ed3047 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -3924,7 +3924,7 @@
 
 	if (!*args[2]) {
 		appctx->ctx.cli.msg = "Session pointer expected (use 'show sess').\n";
-		appctx->st0 = STAT_CLI_PRINT;
+		appctx->st0 = CLI_ST_PRINT;
 		return 1;
 	}
 
@@ -3939,7 +3939,7 @@
 	/* do we have the stream ? */
 	if (strm != ptr) {
 		appctx->ctx.cli.msg = "No such session (use 'show sess').\n";
-		appctx->st0 = STAT_CLI_PRINT;
+		appctx->st0 = CLI_ST_PRINT;
 		return 1;
 	}