Fix DBSchema update fails when an ENUM column contains values which are not / no longer part of the field definition (#188)

synchro/synchrodatasource.class.inc.php

@@ -1120,7 +1120,7 @@ EOF
 							}
 						}
 					}
-					elseif (strcasecmp(CMDBSource::GetFieldType($sTable, $sColName), $sColumnDef) != 0)
+					elseif (!CMDBSource::IsSameFieldTypes(CMDBSource::GetFieldSpec($sTable, $sColName), $sColumnDef))
 					{
 						$bFixNeeded = true;
 						$bOneColIsMissing = true;