Ignore generated config.h properly on Unix

config-win32.h

@@ -0,0 +1,19 @@
+#define LOCALEDIR "./locale"
+#define ENABLE_NLS
+#define USE_GMODULE
+#define USE_PLUGIN
+#define USE_OPENSSL
+#define USE_LIBSEXY
+#define USE_IPV6
+#define HAVE_ISO_CODES
+#define PACKAGE_NAME "hexchat"
+#define PACKAGE_VERSION "2.9.3"
+#define XCHAT_REVISION "1521"
+#define HEXCHATLIBDIR "."
+#define HEXCHATSHAREDIR "."
+#define OLD_PERL
+#define GETTEXT_PACKAGE "hexchat"
+#define PACKAGE_TARNAME "hexchat-2.9.3"
+#ifndef USE_IPV6
+#define socklen_t int
+#endif