cppcheck: fix 2 variableScope reports in editeng

Change-Id: Ic87c5b1d8f96b7f25ce323a49455d1ac16d1bf86
Reviewed-on: https://gerrit.libreoffice.org/21533Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

editeng/source/accessibility/AccessibleEditableTextPara.cxx

@@ -1711,9 +1711,9 @@ namespace accessibility
                 }
             }
         }
-        bool bExtend = false;
         if( nFoundFieldIndex >= 0 )
         {
+            bool bExtend = false;
             if( Segment.SegmentEnd < reeEnd )
             {
                 Segment.SegmentEnd  = reeEnd;

editeng/source/editeng/textconv.cxx

@@ -120,22 +120,12 @@ void TextConvWrapper::FindConvText_impl()
 {
     // modified version of SvxSpellWrapper::FindSpellError
 
-    bool bFound = false;
-
     m_pWin->EnterWait();
-    bool bConvert = true;
 
-    while ( bConvert )
+    while ( true )
     {
-        bFound = ConvContinue_impl();
-        if (bFound)
-        {
-            bConvert = false;
-        }
-        else
-        {
-            bConvert = ConvNext_impl();
-        }
+        if (ConvContinue_impl() || !ConvNext_impl())
+            break;
     }
     m_pWin->LeaveWait();
 }