determine German OS for xp_cmdshell call Check 260 and 261

this commit adresses issue 3673 where the "net localgroups administrators" command will not
return the proper information since the naming is different in an German OS

Author: DiHo78

sp_Blitz.sql

@@ -9939,8 +9939,17 @@ IF @ProductVersionMajor >= 10 AND  NOT EXISTS ( SELECT  1
 									    /*had to use a different table name because SQL Server/SSMS complains when parsing that the table still exists when it gets to the create part*/
 									    IF OBJECT_ID('tempdb..#localadminsag') IS NOT NULL DROP TABLE #localadminsag;
 									    CREATE TABLE #localadminsag (cmdshell_output NVARCHAR(1000));
-										INSERT INTO #localadminsag
-										EXEC /**/xp_cmdshell/**/ N'net localgroup administrators' /* added comments around command since some firewalls block this string TL 20210221 */
+										/* language specific call of xp cmdshell */
+										IF (SELECT os_language_version FROM sys.dm_os_windows_info) = 1031  /* os language code for German. Again, this is a very specific fix, see #3673  */
+										BEGIN
+											INSERT INTO #localadminsag
+											EXEC /**/xp_cmdshell/**/ N'net localgroup Administratoren' /* german */
+										END
+										ELSE
+										BEGIN
+											INSERT INTO #localadminsag
+											EXEC /**/xp_cmdshell/**/ N'net localgroup administrators' /* added comments around command since some firewalls block this string TL 20210221 */
+										END	
 
 										IF EXISTS (SELECT 1 
                                                 FROM #localadminsag