Nigel Liang : winecfg: Fix crash in graphics tab.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4a21ad9f5cb5cf7c7865d27a7f8efd6deece982c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4a21ad9f5cb5cf7c7865d27a7f8efd6deece982c

Author: Nigel Liang <ncliang at gmail.com>
Date:   Tue Aug  7 12:02:26 2007 -0700

winecfg: Fix crash in graphics tab.

---

 programs/winecfg/x11drvdlg.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/programs/winecfg/x11drvdlg.c b/programs/winecfg/x11drvdlg.c
index fbe0dad..0a4e597 100644
--- a/programs/winecfg/x11drvdlg.c
+++ b/programs/winecfg/x11drvdlg.c
@@ -246,7 +246,7 @@ static INT read_logpixels_reg(void)
     DWORD dwLogPixels;
     char *buf  = get_reg_key(HKEY_LOCAL_MACHINE, logpixels_reg,
                              "LogPixels", NULL);
-    dwLogPixels = *buf;
+    dwLogPixels = buf ? *buf : DEFDPI;
     HeapFree(GetProcessHeap(), 0, buf);
     return dwLogPixels;
 }