--- libgdal/gdal/frmts/sdts/sdts2shp.cpp	2019-06-19 12:28:06.000000000 -0400
+++ libgdal/gdal/frmts/sdts/nu.cpp	2019-06-19 12:28:52.000000000 -0400
@@ -687,7 +687,7 @@

             switch( poSFDefn->GetType() )
             {
-              case DDFString:
+              case DDFString: {
                 if( nWidth == 0 )
                 {
                     int         nMaxBytes;
@@ -701,25 +701,26 @@

                 DBFAddField( hDBF, poSFDefn->GetName(), FTString, nWidth, 0 );
                 break;
-
-              case DDFInt:
+              }
+              case DDFInt: {
                 if( nWidth == 0 )
                     nWidth = 9;

                 DBFAddField( hDBF, poSFDefn->GetName(), FTInteger, nWidth, 0 );
                 break;
-
-              case DDFFloat:
+              }
+              case DDFFloat: {
                 DBFAddField( hDBF, poSFDefn->GetName(), FTDouble, 18, 6 );
                 break;
-
-              default:
+              }
+              default: {
                 fprintf( stderr,
                          "Dropping attribute `%s' of module `%s'.  "
                          "Type unsupported\n",
                          poSFDefn->GetName(),
                          papszModuleList[iModule] );
                 break;
+              }
             }
         }

@@ -790,15 +791,15 @@
 /* -------------------------------------------------------------------- */
         switch( poSFDefn->GetType() )
         {
-          case DDFString:
+          case DDFString: {
             const char *pszValue
                 = poSFDefn->ExtractStringData(pachData, nMaxBytes, NULL);

             if( iField != -1 )
                 DBFWriteStringAttribute(hDBF, iRecord, iField, pszValue );
             break;
-
-          case DDFFloat:
+          }
+          case DDFFloat: {
             double      dfValue;

             dfValue = poSFDefn->ExtractFloatData(pachData, nMaxBytes,
@@ -807,8 +808,8 @@
             if( iField != -1 )
                 DBFWriteDoubleAttribute( hDBF, iRecord, iField, dfValue );
             break;
-
-          case DDFInt:
+          }
+          case DDFInt: {
             int         nValue;

             nValue = poSFDefn->ExtractIntData(pachData, nMaxBytes, NULL);
@@ -816,9 +817,10 @@
             if( iField != -1 )
                 DBFWriteIntegerAttribute( hDBF, iRecord, iField, nValue );
             break;
-
-          default:
+          }
+          default: {
             break;
+          }
         }
     } /* next subfield */
 }