This will revert part of the commit from:

http://timidity.git.sourceforge.net/git/gitweb.cgi?p=timidity/timidity;a=commit;h=e73b53437dbc1e57e61dd4d0c1407784797b08d9

Because otherwise TiMidity++ simply won't build as per:

../interface/libinterface.a(xskin_c.o): In function `ctl_event':
xskin_c.c:(.text+0x17c): undefined reference to `ctl_speana_data'
collect2: error: ld returned 1 exit status

--- a/interface/xskin_c.c
+++ b/interface/xskin_c.c
@@ -228,7 +228,6 @@
     }
 }
 
-#if 0
 static void ctl_speana_data(double *val, int size) {
 
   /* 0 <= val[n] <= (AMP*NCOLOR) */
@@ -280,7 +279,6 @@
 
   return;
 }
-#endif
 
 /*ARGSUSED*/
 static int ctl_open(int using_stdin, int using_stdout) {