[hackers] [dmenu] Fix memory leaks in drw || Hiltjo Posthuma

[git]

commit 9b38fda6feda68f95754d5b8932b1a69471df960
Author:     Hiltjo Posthuma <hil...@codemadness.org>
AuthorDate: Thu Jun 11 18:45:33 2020 +0200
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Thu Jun 11 18:45:33 2020 +0200

    Fix memory leaks in drw
    
    Synced from dwm.
    Patch by Alex Flierl <shad0...@freenet.de>, thanks.

diff --git a/drw.c b/drw.c
index 8fd1ca4..4cdbcbe 100644
--- a/drw.c
+++ b/drw.c
@@ -95,6 +95,7 @@ drw_free(Drw *drw)
 {
        XFreePixmap(drw->dpy, drw->drawable);
        XFreeGC(drw->dpy, drw->gc);
+       drw_fontset_free(drw->fonts);
        free(drw);
 }