compress: add config.h

This includes some default values of #defined constants used in the
code; it won't compile without it.

src/AudioCompress/config.h

@@ -0,0 +1,19 @@
+/* config.h
+** Default values for the configuration, and also a few random debug things
+*/
+
+#ifndef AC_CONFIG_H
+#define AC_CONFIG_H
+
+/*** Version information ***/
+#define ACVERSION "2.0"
+
+/*** Default configuration stuff ***/
+#define TARGET 16384		/*!< Target level (on a scale of 0-32767) */
+
+#define GAINMAX 32		/*!< The maximum amount to amplify by */
+#define GAINSMOOTH 8		/*!< How much inertia ramping has*/
+#define BUCKETS 400		/*!< How long of a history to use by default */
+
+#endif
+