[libgda/LIBGDA_5.2] MySQL 8: Fix compilation

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 44180bfd42d1846aa57c3f03d5a546e76771d62b
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Nov 8 14:40:32 2020 -0600

    MySQL 8: Fix compilation

 providers/mysql/gda-mysql.h | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/providers/mysql/gda-mysql.h b/providers/mysql/gda-mysql.h
index bff3f6671..db898c1f7 100644
--- a/providers/mysql/gda-mysql.h
+++ b/providers/mysql/gda-mysql.h
@@ -48,4 +48,11 @@ typedef struct {
        MYSQL             *mysql;       
 } MysqlConnectionData;
 
+// Makes back my_bool
+#ifdef MYSQL8
+
+typedef bool my_bool;
+
+#endif
+
 #endif