Try to use truly random data to initialize the random number generator

Fixed: crash when closing the PasswordDlg by clicking on the x
Fixed: -cfg parameter not working
Fixed: does not compile for Windows
Fixed some compiler warnings

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@176 b624d157-de02-0410-bad0-e51aec6abb33

src/import/Import_PwManager.cpp

@@ -31,7 +31,7 @@ bool Import_PwManager::importDatabase(QWidget* GuiParent, IDatabase* db){
 	char* buffer=NULL;
 	int offset=0;
 	int len=0;
-	if(len=file->size()){
+	if((len=file->size())){
 		buffer=new char[len];
 	}
 	else {