fix: construct Plan 9 paths without truncation

strans.c

@@ -860,15 +860,16 @@ mapget(Trie *t, Str *key, Str *out)
 void
 mapinit(char *dir)
 {
-	char path[1024];
+	char *path;
 	int i;
 
 	for(i = 0; i < nelem(langs); i++){
 		if(langs[i].mapname == nil)
 			continue;
-		if(snprint(path, sizeof(path), "%s/%s.map", dir,
-		   langs[i].mapname) >= (int)sizeof path)
-			die("map path too long: %s/%s.map", dir, langs[i].mapname);
+		path = smprint("%s/%s.map", dir, langs[i].mapname);
+		if(path == nil)
+			die("out of memory");
 		langs[i].map = trieopen(path);
+		free(path);
 	}
 }