[hackers] [sent] fix another index overflow issue || Markus Teich

[git]

commit b1cb3bbc2085bc30e0a456d02e7eb68d5665a5b2
Author:     Markus Teich <markus.te...@stusta.mhn.de>
AuthorDate: Tue Nov 17 00:23:51 2015 +0100
Commit:     Markus Teich <markus.te...@stusta.mhn.de>
CommitDate: Tue Nov 17 00:23:51 2015 +0100

    fix another index overflow issue

diff --git a/sent.c b/sent.c
index 6fd288b..5e47815 100644
--- a/sent.c
+++ b/sent.c
@@ -326,7 +326,8 @@ void getfontsize(Slide *s, unsigned int *width, unsigned 
int *height)
        for (j = NUMFONTSCALES - 1; j >= 0; j--)
                if (fonts[j]->h * lfac <= xw.uh)
                        break;
-       drw_setfontset(d, fonts[++j]);
+       LIMIT(j, 0, NUMFONTSCALES - 1);
+       drw_setfontset(d, fonts[j]);
 
        /* fit width */
        *width = 0;