replace use of fclose() on a descriptor returned by popen(2) (from Carl Hetherington but manually applied)

libjack/client.c

@@ -168,7 +168,7 @@ jack_get_tmpdir ()
 	}
 
 	if (fgets (buf, sizeof (buf), in) == NULL) {
-		fclose (in);
+		pclose (in);
 		free (pathcopy);
 		return -1;
 	}
@@ -177,7 +177,7 @@ jack_get_tmpdir ()
 
 	if (buf[len-1] != '\n') {
 		/* didn't get a whole line */
-		fclose (in);
+		pclose (in);
 		free (pathcopy);
 		return -1;
 	}
@@ -190,7 +190,7 @@ jack_get_tmpdir ()
 	memcpy (jack_tmpdir, buf, len-1);
 	jack_tmpdir[len-1] = '\0';
 	
-	fclose (in);
+	pclose (in);
 	free (pathcopy);
 
 	return 0;