loplugin:cstylecast: deal with remaining pointer casts

Change-Id: I8bd47784ae34ecd57f43b1e680ab863a6272c32f

sdext/source/minimizer/pppoptimizerdialog.cxx

@@ -171,7 +171,7 @@ Sequence< OUString > PPPOptimizerDialog_getSupportedServiceNames()
 Reference< XInterface > PPPOptimizerDialog_createInstance( const Reference< XComponentContext > & rSMgr)
     throw( Exception )
 {
-    return (cppu::OWeakObject*) new PPPOptimizerDialog( rSMgr );
+    return static_cast<cppu::OWeakObject*>(new PPPOptimizerDialog( rSMgr ));
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sdext/source/pdfimport/pdfparse/pdfentries.cxx

@@ -728,9 +728,9 @@ static void unzipToBuffer( char* pBegin, unsigned int nLen,
     z_stream aZStr;
     aZStr.next_in       = reinterpret_cast<Bytef *>(pBegin);
     aZStr.avail_in      = nLen;
-    aZStr.zalloc        = ( alloc_func )0;
-    aZStr.zfree         = ( free_func )0;
-    aZStr.opaque        = ( voidpf )0;
+    aZStr.zalloc        = nullptr;
+    aZStr.zfree         = nullptr;
+    aZStr.opaque        = nullptr;
 
     int err = inflateInit(&aZStr);
 

sdext/source/pdfimport/xpdfwrapper/wrapper_gpl.cxx

@@ -100,10 +100,10 @@ int main(int argc, char **argv)
                                  ? new GooString( aPwBuf )
                                  : (ownerPassword[0] != '\001'
                                     ? new GooString(ownerPassword)
-                                    : (GooString *)NULL ) );
+                                    : nullptr ) );
     GooString* pUserPasswordStr(  userPassword[0] != '\001'
                                   ? new GooString(userPassword)
-                                  : (GooString *)NULL );
+                                  : nullptr );
     if( outputFile[0] != '\001' )
         g_binary_out = fopen(outputFile,"wb");
 

sdext/source/presenter/PresenterAccessibility.cxx

@@ -1352,7 +1352,7 @@ void PresenterAccessible::AccessibleObject::ThrowIfDisposed() const
     throw (lang::DisposedException)
 {
     if (rBHelper.bDisposed || rBHelper.bInDispose)
-        throw lang::DisposedException("object has already been disposed", uno::Reference<uno::XInterface>((uno::XWeak*)(this)));
+        throw lang::DisposedException("object has already been disposed", uno::Reference<uno::XInterface>(const_cast<uno::XWeak*>(static_cast<uno::XWeak const *>(this))));
 }
 
 //===== AccessibleStateSet ====================================================