make this wrapper work on Ubuntu Linux 15.10, Go 1.5.2, opencc 0.4.3-2build1

Author: siongui

opencc.c

@@ -13,34 +13,34 @@ const char *Convert(const char *input, const char *config) {
 	strcat(configFile, config);
 	strcat(configFile, ".json");
 
-	opencc_t p = opencc_new(configFile);
-	char *out = opencc_convert(p, input);
+	opencc_t p = opencc_open(configFile);
+	char *out = opencc_convert_utf8(p, input, strlen(input));
 	out[strlen(input)] = '\0';
 
-	opencc_delete(p);
+	opencc_close(p);
 
 	return out;
 }
 
 void Convert_free_string(char *p) {
-	opencc_free_string(p);
+	opencc_convert_utf8_free(p);
 }
 
 void* Opencc_New(const char *configFile) {
-	return opencc_new(configFile);
+	return opencc_open(configFile);
 }
 
 void Opencc_Delete(void *id) {
-	opencc_delete(id);
+	opencc_close(id);
 }
 
 const char *Opencc_Convert(void *id, const char *input) {
-	char *output = opencc_convert(id, input);
+	char *output = opencc_convert_utf8(id, input, strlen(input));
 	output[strlen(input)] = '\0';
 	return output;
 }
 
 void Opencc_Free_String(char *p) {
-	opencc_free_string(p);
+	opencc_convert_utf8_free(p);
 }