Fix help text for color format

nyalldawson · nyalldawson · commit 7218cf5f5939 · 2018-12-11T12:46:57.000+10:00
Should be #AARRGGBB, not #RRGGBBAA (see http://doc.qt.io/qt-5/qcolor.html#setNamedColor) (cherry picked from commit 462ebed)
diff --git a/src/core/qgsproperty.cpp b/src/core/qgsproperty.cpp
@@ -87,7 +87,7 @@ QgsPropertyDefinition::QgsPropertyDefinition( const QString &name, const QString
 
     case ColorWithAlpha:
       mTypes = DataTypeString;
-      mHelpText = QObject::tr( "string [<b>r,g,b,a</b>] as int 0-255 or #<b>RRGGBBAA</b> as hex or <b>color</b> as color's name" );
+      mHelpText = QObject::tr( "string [<b>r,g,b,a</b>] as int 0-255 or #<b>AARRGGBB</b> as hex or <b>color</b> as color's name" );
       break;
 
     case ColorNoAlpha:
