Make charmap.cxx compile with icu >= 4.4.

configure.ac claims ICU >= 4.2 is supported. Make it so.

Change-Id: Ia08bb492f41dcb88bc84550edb51ce5e89fe1103
Reviewed-on: https://gerrit.libreoffice.org/4112Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

svx/source/dialog/charmap.cxx

@@ -1302,6 +1302,7 @@ void SubsetMap::InitList()
                 case UBLOCK_DOMINO_TILES:
                     aAllSubsets.push_back( Subset( 0x1F030, 0x1F09F, RID_SUBSETSTR_DOMINO_TILES ) );
                     break;
+#if U_ICU_VERSION_MAJOR_NUM >= 44
                 case UBLOCK_SAMARITAN:
                     aAllSubsets.push_back( Subset( 0x0800, 0x083F, RID_SUBSETSTR_SAMARITAN ) );
                     break;
@@ -1380,6 +1381,8 @@ void SubsetMap::InitList()
                 case UBLOCK_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C:
                     aAllSubsets.push_back( Subset( 0x2A700, 0x2B73F, RID_SUBSETSTR_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C ) );
                     break;
+#endif
+#if U_ICU_VERSION_MAJOR_NUM >= 46
                 case UBLOCK_MANDAIC:
                     aAllSubsets.push_back( Subset( 0x0840, 0x085F, RID_SUBSETSTR_MANDAIC ) );
                     break;
@@ -1416,6 +1419,7 @@ void SubsetMap::InitList()
                 case UBLOCK_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D:
                     aAllSubsets.push_back( Subset( 0x2B740, 0x2B81F, RID_SUBSETSTR_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D ) );
                     break;
+#endif
 #if U_ICU_VERSION_MAJOR_NUM >= 49
                 case UBLOCK_ARABIC_EXTENDED_A:
                     aAllSubsets.push_back( Subset( 0x08A0, 0x08FF, RID_SUBSETSTR_ARABIC_EXTENDED_A ) );