Worked on high level language symbol info.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5279 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/symtab.h

@@ -58,6 +58,7 @@
 /* Symbol table flags */
 #define ST_NONE         0x00            /* No flags */
 #define ST_DEFINED      0x01            /* Scope has been defined */
+#define ST_EXTFUNC      0x02            /* External debug function assigned */
 
 /* A symbol table */
 typedef struct SymTable SymTable;