db drivers: remove an extra space in SQL

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@74049 15284696-431f-4ddb-bdfa-cd5b030d7da7

db/drivers/postgres/index.c

@@ -35,7 +35,7 @@ int db__driver_create_index(dbIndex * index)
 
     db_append_string(&sql, " index ");
     if (PQserverVersion(pg_conn) >= 90500)
-	db_append_string(&sql, " if not exists ");
+	db_append_string(&sql, "if not exists ");
     db_append_string(&sql, db_get_index_name(index));
     db_append_string(&sql, " on ");
 

db/drivers/sqlite/index.c

@@ -46,7 +46,7 @@ int db__driver_create_index(dbIndex * index)
     if (db_test_index_type_unique(index))
 	db_append_string(&sql, " unique");
 
-    db_append_string(&sql, " index ");
+    db_append_string(&sql, " index");
     db_append_string(&sql, " if not exists ");
     db_append_string(&sql, db_get_index_name(index));
     db_append_string(&sql, " on ");