simplify WMWritePropListToFile()

remove the choice of atomic/non-atomic writes. firstly, the only users
of non-atomic writes were getstyle and geticonset; secondly, who in their
right minds would ever want non-atomic writes; thirdly, the file system
will screw you anyway *G*.

src/misc.c

@@ -1080,7 +1080,7 @@ Bool UpdateDomainFile(WDDomain * domain)
 		}
 	}
 
-	result = WMWritePropListToFile(dict, domain->path, True);
+	result = WMWritePropListToFile(dict, domain->path);
 
 	if (freeDict) {
 		WMReleasePropList(dict);