update parser to skip SD

fixes mridoni#175

libgixpp/gix_esql_parser.yy

@@ -115,7 +115,8 @@ static std::string to_std_string(connect_to_info_t *i) { if (i) { char buffer [3
 %token LINKAGEEND
 %token LOCALSTORAGEBEGIN	"Begin of LOCAL-STORAGE SECTION"
 %token LOCALSTORAGEEND		"End of LOCAL-STORAGE SECTION"
-%token FD
+%token FD			"FILE description (FD)"
+%token SD			"SORT description (SD)"
 %token FILEBEGIN		"Begin of FILE SECTION"
 %token FILEEND			"End of FILE SECTION"
 %token PROCEDURE_DIVISION	"PROCEDURE DIVISION"
@@ -837,14 +838,15 @@ FILEEND {
 }
 ;
 
-fd_def:
+file_def:
 FD token_list PERIOD  {}
+|SD token_list PERIOD  {}
 ;
 
 
 sqlvariantstate_list:
 %empty
-|sqlvariantstate_list fd_def
+|sqlvariantstate_list file_def
 |sqlvariantstate_list incfile
 |sqlvariantstate_list includesql
 |sqlvariantstate_list declaresql