Fix crash when using line pattern fills

nyalldawson · nyalldawson · commit 529bf3fb5065 · 2017-07-14T11:02:10.000+10:00
Line pattern fill was not calling stopRender on the line symbol! (cherry-picked from 6067d51)
diff --git a/src/core/symbology-ng/qgsfillsymbollayerv2.cpp b/src/core/symbology-ng/qgsfillsymbollayerv2.cpp
@@ -2835,8 +2835,12 @@ void QgsLinePatternFillSymbolLayer::startRender( QgsSymbolV2RenderContext& conte
   prepareExpressions( context );
 }
 
-void QgsLinePatternFillSymbolLayer::stopRender( QgsSymbolV2RenderContext & )
+void QgsLinePatternFillSymbolLayer::stopRender( QgsSymbolV2RenderContext &context )
 {
+  if ( mFillLineSymbol )
+  {
+    mFillLineSymbol->stopRender( context.renderContext() );
+  }
 }
 
 QgsStringMap QgsLinePatternFillSymbolLayer::properties() const

Original file line number	Diff line number	Diff line change
`@@ -2835,8 +2835,12 @@ void QgsLinePatternFillSymbolLayer::startRender( QgsSymbolV2RenderContext& conte`
`2835`	`2835`	`prepareExpressions( context );`
`2836`	`2836`	`}`
`2837`	`2837`
`2838`		`-void QgsLinePatternFillSymbolLayer::stopRender( QgsSymbolV2RenderContext & )`
	`2838`	`+void QgsLinePatternFillSymbolLayer::stopRender( QgsSymbolV2RenderContext &context )`
`2839`	`2839`	`{`
	`2840`	`+ if ( mFillLineSymbol )`
	`2841`	`+ {`
	`2842`	`+ mFillLineSymbol->stopRender( context.renderContext() );`
	`2843`	`+ }`
`2840`	`2844`	`}`
`2841`	`2845`
`2842`	`2846`	`QgsStringMap QgsLinePatternFillSymbolLayer::properties() const`