Add a global symbol2str header

h/symbol2str.h

@@ -0,0 +1,15 @@
+/*
+ * The Amsterdam Compiler Kit
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+
+#ifndef H_SYMBOL2STR_H
+#define H_SYMBOL2STR_H
+
+/* A lot of component use a version of this function, there is currently no header file
+ * that contain it, and all use the same prototype as they are all generated from the same
+ * generator.
+ */
+char *symbol2str(int tok);
+
+#endif