tdf#117575 treat thousand sep with ? in integer part

'?' was missing when treating thousand separator
However, format with '?' in integer part are not
saved in ODF.

Change-Id: I1d684a31f800f10bf9a04babb0b9fec34e28e72a
Reviewed-on: https://gerrit.libreoffice.org/55901
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>

svl/source/numbers/zformat.cxx

@@ -4487,13 +4487,7 @@ bool SvNumberformat::ImpNumberFillWithThousands( OUStringBuffer& sBuff,  // numb
                         ;   // nothing
                         break;
                     case '?':
-                        // erAck: 2008-04-03T16:24+0200
-                        // Actually this currently isn't executed
-                        // because the format scanner in the context of
-                        // "?," doesn't generate a group separator but
-                        // a literal ',' character instead that is
-                        // inserted unconditionally. Should be changed
-                        // on some occasion.
+                        // replace thousand separator with blank
                         sBuff.insert(k, ' ');
                         break;
                     default:

svl/source/numbers/zforscan.cxx

@@ -2070,8 +2070,8 @@ sal_Int32 ImpSvNumberformatScan::FinalScan( OUString& rString )
                             }
                         }
                         else if (i > 0 && i < nStringsCnt-1   &&
-                                 (cPre == '#' || cPre == '0')      &&
-                                 ((cNext = NextChar(i)) == '#' || cNext == '0')) // #,#
+                                 (cPre == '#' || cPre == '0' || cPre == '?')      &&
+                                 ((cNext = NextChar(i)) == '#' || cNext == '0' || cNext == '?')) // #,#
                         {
                             nPos = nPos + sStrArray[i].getLength();
                             if (!bThousand) // only once
@@ -2083,7 +2083,7 @@ sal_Int32 ImpSvNumberformatScan::FinalScan( OUString& rString )
                             nResultStringsCnt--;
                             i++;
                         }
-                        else if (i > 0 && (cPre == '#' || cPre == '0')
+                        else if (i > 0 && (cPre == '#' || cPre == '0' || cPre == '?')
                                  && PreviousType(i) == NF_SYMBOLTYPE_DIGIT
                                  && nThousand < FLAG_STANDARD_IN_FORMAT )
                         {   // #,,,,