Add parameter default_pan to configuration file

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>

Changelog

@@ -3,6 +3,7 @@ Stable versions
 
 4.0.9:
 	- Add option '-p' to set the default pan amplitude
+	- Add parameter 'default_pan' to configuration file
 
 4.0.8 (20140714):
 	- Add command 'c' to display module comment

src/read_config.c

@@ -113,6 +113,7 @@ int read_config(struct options *o)
 		getval_yn("reverse", o->reverse, 1);
 		getval_no("amplify", o->amplify);
 		getval_no("mix", o->mix);
+		getval_no("default_pan", o->defpan);
 		/*getval_no("chorus", o->chorus);
 		getval_no("reverb", o->reverb);*/
 		getval_no("srate", o->rate);

src/xmp.conf

@@ -133,3 +133,8 @@
 # Percentual stereo mixing. Default is 70%.
 #
 #mix = 70
+
+# default_pan = <val>
+# Default pan setting for 4-channel Amiga modules. Default is 100%
+#
+#default_pan = 100