[hackers] [dmenu] Fix regression in 84a1bc5 || Hiltjo Posthuma

[git]

commit 889512811d7ae410eb4ab60be3568278b3e23f2e
Author:     Hiltjo Posthuma <hil...@codemadness.org>
AuthorDate: Thu Jan 4 23:45:49 2018 +0100
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Thu Jan 4 23:45:49 2018 +0100

    Fix regression in 84a1bc5
    
    Reported by Jochen Sprickerhof, thanks!
    
    Applied patch with minor change (only initialize `i` for XINERAMA).

diff --git a/dmenu.c b/dmenu.c
index 3c261c0..a246111 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -541,7 +541,7 @@ run(void)
 static void
 setup(void)
 {
-       int x, y, i, j = 0;
+       int x, y, i, j;
        unsigned int du;
        XSetWindowAttributes swa;
        XIM xim;
@@ -565,6 +565,7 @@ setup(void)
        lines = MAX(lines, 0);
        mh = (lines + 1) * bh;
 #ifdef XINERAMA
+       i = 0;
        if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
                XGetInputFocus(dpy, &w, &di);
                if (mon >= 0 && mon < n)