Improved loplugin:redundantcast (const-qualified typedefs): basic

Change-Id: Ie22fe58dc2c2cc3867bd800f757433b68e0f2448
Reviewed-on: https://gerrit.libreoffice.org/56693
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

basic/source/sbx/sbxbyte.cxx

@@ -45,7 +45,7 @@ start:
                 nRes = static_cast<sal_uInt8>(p->nChar);
             break;
         case SbxBYTE:
-            nRes = static_cast<sal_uInt8>(p->nByte);    break;
+            nRes = p->nByte;    break;
         case SbxINTEGER:
         case SbxBOOL:
             if( p->nInteger > SbxMAXBYTE )

basic/source/sbx/sbxint.cxx

@@ -86,7 +86,7 @@ start:
             break;
         case SbxCURRENCY:
             {
-                sal_Int64 tstVal = static_cast<sal_Int64>(p->nInt64) / sal_Int64(CURRENCY_FACTOR);
+                sal_Int64 tstVal = p->nInt64 / sal_Int64(CURRENCY_FACTOR);
 
                 if( tstVal > SbxMAXINT )
                 {