FIX SQLSRV driver unhandled exception

as reported @JeremyLC  #5890

now should be handled

libraries/joomla/database/driver/sqlsrv.php

@@ -712,7 +712,7 @@ public function execute()
 
 				// Throw the normal query exception.
 				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED', $this->errorNum, $this->errorMsg), JLog::ERROR, 'databasequery');
-				throw new RuntimeException($this->errorMsg, $this->errorNum);
+				throw new Exception($this->errorMsg, $this->errorNum);
 			}
 		}