... where sal_uIntPtr and sal_uInt32 are both "unsigned long";
 disable test for now.

Change-Id: I8357bf425ab5d9166cd45ba5fb81ec6c1fac957a
error: 'error' diagnostics expected but not seen:
  File compilerplugins/clang/test/convertuintptr.cxx Line 15: cast from 'sal_uIntPtr' (aka 'unsigned {{.+}}') to 'sal_uInt32' (aka 'unsigned {{.+}}') [loplugin:convertuintptr]
  File compilerplugins/clang/test/convertuintptr.cxx Line 16: cast from 'sal_uIntPtr' (aka 'unsigned {{.+}}') to 'sal_uInt32' (aka 'unsigned {{.+}}') [loplugin:convertuintptr]