Fixes some debug messages

[Lozano, Carlos A.]

 * Avoid print a no init buffer.

Regards,
Carlos.

-- 
 ___         _          \  |  /  Infraestructuras
| . |._ _  _| | ___  ___  ___    http://www.andago.com
|   || ' |/ . |<_> |/ . |/ . \__ GNU/Linux
|_|_||_|_|\___|<___|\_. |\___/     _ \  __|\ \  /
 Carlos A. Lozano   <___'/ | \ -_) __/\__ \ >  <  -_)
 [ carlos.lozano at andago.com ]\___|_|  ____/ _/\_\___|
 [ calb at epsxe.com           ]  http://www.epsxe.com
-------------- next part --------------
--- dlls/x11drv/xvidmode.c	22 Apr 2003 00:15:48 -0000	1.18
+++ dlls/x11drv/xvidmode.c	19 May 2003 22:02:39 -0000
@@ -466,7 +466,7 @@
     _X_FIELD(CDS,UPDATEREGISTRY);_X_FIELD(CDS,TEST);_X_FIELD(CDS,FULLSCREEN);
     _X_FIELD(CDS,GLOBAL);_X_FIELD(CDS,SET_PRIMARY);_X_FIELD(CDS,RESET);
     _X_FIELD(CDS,SETRECT);_X_FIELD(CDS,NORESET);
-    return wine_dbg_sprintf("%s", buf);
+    return wine_dbg_sprintf("%s", first ? "" : buf);
 }
 static const char * _DM_fields(DWORD fields)
 {
@@ -475,7 +475,7 @@
     char *p = buf;
     _X_FIELD(DM,BITSPERPEL);_X_FIELD(DM,PELSWIDTH);_X_FIELD(DM,PELSHEIGHT);
     _X_FIELD(DM,DISPLAYFLAGS);_X_FIELD(DM,DISPLAYFREQUENCY);_X_FIELD(DM,POSITION);
-    return wine_dbg_sprintf("%s", buf);
+    return wine_dbg_sprintf("%s", first ? "" : buf);
 }
 #undef _X_FIELD