If a debug symbol is an import, write out the import id.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5182 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/symtab.c

@@ -865,6 +865,11 @@ void WriteDbgSyms (void)
                     ObjWriteVar (Size);
                 }
 
+                /* If the symbol is an import, write out its import id */
+                if (SYM_IS_IMPORT (SymFlags)) {
+                    ObjWriteVar (GetSymImportId (S));
+                }
+
 		/* Write the line infos */
 		WriteLineInfo (&S->LineInfos);
 	    }