-Werror=maybe-uninitialized

Change-Id: I320e08d7d83727a93e0644db80943bc2bb896222

oox/source/export/chartexport.cxx

@@ -2637,7 +2637,7 @@ void ChartExport::exportErrorBar(Reference< XPropertySet> xErrorBarProps, bool b
     pFS->singleElement( FSNS( XML_c, XML_errDir ),
             XML_val, bYError ? "y" : "x",
             FSEND );
-    bool bPositive, bNegative;
+    bool bPositive = false, bNegative = false;
     xErrorBarProps->getPropertyValue("ShowPositiveError") >>= bPositive;
     xErrorBarProps->getPropertyValue("ShowNegativeError") >>= bNegative;
     const char* pErrBarType;
@@ -2657,7 +2657,7 @@ void ChartExport::exportErrorBar(Reference< XPropertySet> xErrorBarProps, bool b
             XML_val, pErrBarType,
             FSEND );
 
-    sal_Int32 nErrorBarStyle;
+    sal_Int32 nErrorBarStyle = cssc::ErrorBarStyle::NONE;
     xErrorBarProps->getPropertyValue("ErrorBarStyle") >>= nErrorBarStyle;
     const char* pErrorBarStyle = getErrorBarStyle(nErrorBarStyle);
     pFS->singleElement( FSNS( XML_c, XML_errValType ),

oox/source/export/drawingml.cxx

@@ -1528,7 +1528,7 @@ void DrawingML::WriteFill( Reference< XPropertySet > xPropSet )
     if ( aFillStyle == FillStyle_SOLID && GetProperty( xPropSet, "FillTransparence" ) )
     {
         // map full transparent background to no fill
-        sal_Int16 nVal;
+        sal_Int16 nVal = 0;
         xPropSet->getPropertyValue( "FillTransparence" ) >>= nVal;
         if ( nVal == 100 )
             aFillStyle = FillStyle_NONE;