[libgda] Fix memory leak at SQLite provider prepare statement

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit a60fcccebbd73add74f980589e6b6c1d52d65ae4
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Apr 14 21:03:19 2019 -0500

    Fix memory leak at SQLite provider prepare statement

 libgda/gda-set.c                              | 1 -
 libgda/sql-parser/gda-statement-struct-util.c | 2 +-
 libgda/sqlite/gda-sqlite-provider.c           | 2 ++
 tests/gda-test.c                              | 2 +-
 4 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/libgda/gda-set.c b/libgda/gda-set.c
index 07ceef2ff..8724367af 100644
--- a/libgda/gda-set.c
+++ b/libgda/gda-set.c
@@ -1407,7 +1407,6 @@ gda_set_new_from_spec_string (const gchar *xml_spec, GError **error)
       xmlFreeDtd (gda_paramlist_dtd);
       gda_paramlist_dtd = NULL;
     }
-    g_assert (gda_paramlist_dtd == NULL);
     xmlDoValidityCheckingDefaultValue = xmlcheck;
     g_free (validc);
   }
diff --git a/libgda/sql-parser/gda-statement-struct-util.c b/libgda/sql-parser/gda-statement-struct-util.c
index c7bfd5bb7..746c31bb9 100644
--- a/libgda/sql-parser/gda-statement-struct-util.c
+++ b/libgda/sql-parser/gda-statement-struct-util.c
@@ -344,8 +344,8 @@ gda_sql_identifier_prepare_for_compare (gchar *str)
                gchar *ptr;
                for (ptr = str; *ptr; ptr++)
                        *ptr = g_ascii_tolower (*ptr);
-               return str;
        }
+       return str;
 }
 
 /*
diff --git a/libgda/sqlite/gda-sqlite-provider.c b/libgda/sqlite/gda-sqlite-provider.c
index f61243ec3..7b3747b4b 100644
--- a/libgda/sqlite/gda-sqlite-provider.c
+++ b/libgda/sqlite/gda-sqlite-provider.c
@@ -2982,6 +2982,8 @@ real_prepare (GdaServerProvider *provider, GdaConnection *cnc, GdaStatement *stm
        g_object_unref (real_stmt);
        /*g_print ("%s(%s) => GdaSqlitePStmt %p\n", __FUNCTION__, sql, ps);*/
   g_free (sql);
+       if (hash)
+               g_hash_table_destroy (hash);
        return ps;
 
  out_err:
diff --git a/tests/gda-test.c b/tests/gda-test.c
index 4a898caed..eb21a5bec 100644
--- a/tests/gda-test.c
+++ b/tests/gda-test.c
@@ -14,7 +14,7 @@ int main() {
     g_message ("Error messages: %s", error->message);
   }
        g_object_unref(cnc);
-  g_message ("Exists without errors");
+  g_message ("Test finished");
        return EXIT_SUCCESS;
 }