[libgda] Meson subproject: fix src dir for sql-parser

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 8b5305ef4ab99a804e43b9b6bb1d961a52366359
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Apr 9 10:33:17 2019 -0500

    Meson subproject: fix src dir for sql-parser

 libgda/sql-parser/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libgda/sql-parser/meson.build b/libgda/sql-parser/meson.build
index 460619a1b..bbc40a08c 100644
--- a/libgda/sql-parser/meson.build
+++ b/libgda/sql-parser/meson.build
@@ -35,7 +35,7 @@ gda_sql_parser_enums = gnome_module.mkenums_simple('gda-sql-parser-enum-types',
 
 gendef_exe = executable('gen_def', 'gen_def.c',
        c_args: [
-               '-DSRCDIR="'+join_paths (meson.source_root(), 'libgda', 'sql-parser')+'"',
+               '-DSRCDIR="'+meson.current_source_dir()+'"',
                '-DBUILDDIR="'+meson.current_build_dir()+'"'
                ]
        )