tdf#120703 PVS: Blind attempt to implement original idea

The strange implementation was there ever since commit
bd363380.

The other possibility is to just remove the block above the last
assignment to aRet

Change-Id: I5bd3bf1f518ab894e5df4cbc7d86a76d325e4600
Reviewed-on: https://gerrit.libreoffice.org/71447Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>

chart2/source/controller/chartapiwrapper/WrappedScaleProperty.cxx

@@ -555,10 +555,10 @@ Any WrappedScaleProperty::getPropertyValue( tScaleProperty eScaleProperty, const
                     aTimeIncrement.TimeResolution <<= aExplicitScale.TimeResolution;
                     aRet <<= aTimeIncrement;
                 }
+                else
+                    aRet <<= aScaleData.TimeIncrement;
             }
 
-            if( aScaleData.AxisType == AxisType::DATE || aScaleData.AutoDateAxis )
-                aRet <<= aScaleData.TimeIncrement;
             break;
         }
         case SCALE_PROP_LOGARITHMIC: