Declare kira_parti_init() so it's extern "C".

src/kira_parti.h

@@ -4,10 +4,13 @@
 extern "C" {
 #endif
 
+void kira_parti_init();
+
 #define KIRA_VERBOSE	0x01
 #define KIRA_READLATER	0x02
 int kira_open(struct dyndata *dd, struct stuff *st, char *filename, int flags);  /* VERBOSE|READLATER */
 int kira_read_more( struct stuff *st, int nmax, double tmax, double maxdelay );
+
 	/* read, stopping after first of:
 	 *   nmax paragraphs
 	 *   tmax dynamical-end-time,