EXPR_SECTION was missing from dump

git-svn-id: svn://svn.cc65.org/cc65/trunk@2633 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/common/exprdefs.c

@@ -66,6 +66,10 @@ static void InternalDumpExpr (const ExprNode* Expr)
        	    printf (" SYM");
 	    break;
 
+	case EXPR_SECTION:
+	    printf (" SEC");
+	    break;
+
 	case EXPR_SEGMENT:
 	    printf (" SEG");
 	    break;