[build] fixing issue introduced in the previous win commit (#1399)

Author: jtrmal

windows/get_version.pl

@@ -39,6 +39,6 @@
 };
 
 my $kaldi_ver=<$F>; chomp $kaldi_ver;
-print $H "KALDI_VERSION=${kaldi_ver}-win\n";
+print $H "#define KALDI_VERSION \"${kaldi_ver}-win\"\n";
 close($F);
 close($H);