fix MATLAB vs Matlab dir name

Author: bronsolo

plotly/plotly_setup_aux/plotlyupdate.m

@@ -73,7 +73,7 @@ function plotlyupdate(varargin)
     %parse filepath string at the Plotly directory
     plotlyLoc = strfind(fileparts(plotlyScriptDirs{d}),fullfile('MATLAB-api','plotly'));
     if ~isempty(plotlyLoc)
-        plotlyDirs{dircount} = fullfile(plotlyScriptDirs{d}(1:plotlyLoc-1),'Matlab-api','plotly');
+        plotlyDirs{dircount} = fullfile(plotlyScriptDirs{d}(1:plotlyLoc-1),'MATLAB-api','plotly');
     end
     dircount = dircount + 1; 
 end