dlls/comctl32/trackbar.c: division by zero

[MichaelGuennewig@gmx.de (Michael Günnewig)]

Hi.

This patch fixes a "division by zero", when using a range of 0 for a
trackbar (as mplayer does).

Changlog: 
  dlls/comctl32/trackbar.c: fixed division by zero, when range 0.

Index: dlls/comctl32/trackbar.c
===================================================================
RCS file: /home/wine/wine/dlls/comctl32/trackbar.c,v
retrieving revision 1.39
diff -u -r1.39 trackbar.c
--- dlls/comctl32/trackbar.c	12 Sep 2002 22:26:26 -0000	1.39
+++ dlls/comctl32/trackbar.c	13 Oct 2002 20:21:25 -0000
@@ -407,6 +407,8 @@
     }
 
     range = infoPtr->lRangeMax - infoPtr->lRangeMin;
+    if (range == 0)
+      range = 1; /* to avoid division by zero */
 
     if (flags & TIC_SELECTIONMARK) {
   	indent = (flags & TIC_SELECTIONMARKMIN) ? -1 : 1;


  Michael Günnewig