[libgda] Fixing typo in the enum declaration

[Pavlo Solntsev <psolntsev src gnome org>]

commit 77d82f556595bfdfc8cab3a0fd2bc019c427109d
Author: Pavlo Solntsev <p sun fun gmail com>
Date:   Tue Jun 2 12:56:45 2020 -0500

    Fixing typo in the enum declaration

 libgda/gda-ddl-modifiable.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/libgda/gda-ddl-modifiable.h b/libgda/gda-ddl-modifiable.h
index 1aef8e658..eceb260ec 100644
--- a/libgda/gda-ddl-modifiable.h
+++ b/libgda/gda-ddl-modifiable.h
@@ -52,8 +52,9 @@ struct _GdaDdlModifiableInterface
 };
 
 typedef enum {
-    GDA_DDL_MODIFIABLE_NOT_IMPLEMENTED
-} GdaDdlModifiableErrror;
+    GDA_DDL_MODIFIABLE_NOT_IMPLEMENTED,
+    GDA_DDL_MODIFIABLE_CONNECTIO_NOT_OPENED
+} GdaDdlModifiableError;
 
 #define GDA_DDL_MODIFIABLE_ERROR gda_ddl_modifiable_error_quark()
 GQuark gda_ddl_modifiable_error_quark (void);