bugfix [#22098] Binreloc buffer overrun

from Dan Eicher (dna)

there are many of these in blender however this case could happen quite easily.

source/blender/blenlib/intern/path_util.c

@@ -1312,7 +1312,7 @@ void BLI_where_am_i(char *fullname, const char *name)
 	/* linux uses binreloc since argv[0] is not relyable, call br_init( NULL ) first */
 	path = br_find_exe( NULL );
 	if (path) {
-		strcpy(fullname, path);
+		BLI_strncpy(fullname, path, sizeof(fullname));
 		free(path);
 		return;
 	}