optional ppFlt argument never used

Change-Id: Ib2c68091f14d04818ae5e7db0ad7b8a1ec151f4f

sw/inc/iodetect.hxx

@@ -111,8 +111,7 @@ public:
 
     /** Detect whether the given file is in the given format.
      For now, only our own filters are supported! */
-    static sal_Bool IsFileFilter( SfxMedium& rMedium, const String& rFmtName,
-            const SfxFilter** ppFlt = 0 );
+    static sal_Bool IsFileFilter(SfxMedium& rMedium, const String& rFmtName);
 
     static sal_Bool IsValidStgFilter( SotStorage& , const SfxFilter& );
     static sal_Bool IsValidStgFilter( const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >& rStg, const SfxFilter& rFilter);

sw/source/filter/basflt/iodetect.cxx

@@ -205,8 +205,7 @@ void TerminateBuffer(sal_Char *pBuffer, sal_uLong nBytesRead, sal_uLong nBufferL
 
 /* Feststellen ob das File in dem entsprechenden Format vorliegt. */
 /* Z.z werden nur unsere eigene Filter unterstuetzt               */
-sal_Bool SwIoSystem::IsFileFilter( SfxMedium& rMedium, const String& rFmtName,
-        const SfxFilter** ppFilter )
+sal_Bool SwIoSystem::IsFileFilter(SfxMedium& rMedium, const String& rFmtName)
 {
     sal_Bool bRet = sal_False;
 
@@ -261,9 +260,6 @@ sal_Bool SwIoSystem::IsFileFilter( SfxMedium& rMedium, const String& rFmtName,
                     }
                 }
             }
-
-            if( bRet && ppFilter  )
-                *ppFilter = pFltr;
         }
 
         pFltr = aIter.Next();

sw/source/ui/uno/swdet2.cxx

@@ -63,7 +63,7 @@ sal_uLong SwFilterDetect::DetectFilter( SfxMedium& rMedium, const SfxFilter** pp
         String aPrefFlt = (*ppFilter)->GetUserData();
 
         // detection for TextFilter needs an additional checking
-        sal_Bool bDetected = SwIoSystem::IsFileFilter( rMedium, aPrefFlt );
+        sal_Bool bDetected = SwIoSystem::IsFileFilter(rMedium, aPrefFlt);
         return bDetected ? nRet : ERRCODE_ABORT;
     }