Switch to side-by-side view

--- a/src/unac/unac.h
+++ b/src/unac/unac.h
@@ -112,6 +112,9 @@
 int unacfold_string(const char* charset,
 		const char* in, size_t in_length,
 		char** out, size_t* out_length);
+
+/* To be called before starting threads in mt programs */
+void unac_init_mt();
 
 /*
  * Return unac version number.