Made tranaaction functions return their actual value
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
index ba4f9d8..7258e60 100644
--- a/system/database/drivers/interbase/interbase_driver.php
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -224,9 +224,7 @@
 			return TRUE;
 		}
 		
-		@ibase_commit($this->trans);
-
-		return TRUE;
+		return @ibase_commit($this->trans);
 	}
 
 	// --------------------------------------------------------------------
@@ -249,9 +247,7 @@
 			return TRUE;
 		}
 
-		@ibase_rollback($this->trans);
-	
-		return TRUE;
+		return @ibase_rollback($this->trans);
 	}
 
 	// --------------------------------------------------------------------