perf ui scripts: Switch FILENAME_MAX to NAME_MAX

JIRA: https://issues.redhat.com/browse/RHEL-78198

upstream
========
commit 008b757
Author: Ian Rogers <irogers@google.com>
Date: Thu Jul 17 08:08:55 2025 -0700

description
===========
FILENAME_MAX is the same as PATH_MAX (4kb) in glibc rather than
NAME_MAX's 255. Switch to using NAME_MAX and ensure the '\0' is
accounted for in the path's buffer size.

    Signed-off-by: Ian Rogers <irogers@google.com>
    Link: https://lore.kernel.org/r/20250717150855.1032526-3-irogers@google.com
    Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Signed-off-by: Michael Petlan <mpetlan@redhat.com>

Author: rfmvh

tools/perf/ui/browsers/scripts.c

@@ -94,7 +94,7 @@ static int check_ev_match(int dir_fd, const char *scriptname, struct perf_sessio
 	FILE *fp;
 
 	{
-		char filename[FILENAME_MAX + 5];
+		char filename[NAME_MAX + 5];
 		int fd;
 
 		scnprintf(filename, sizeof(filename), "bin/%s-record", scriptname);