Bugfix for gtVersion (was wrongly using DCT_DIR env variable instead of global GT_MATLAB_HOME)

git-svn-id: https://svn.code.sf.net/p/dct/code/trunk@927 4c865b51-4357-4376-afb4-474e03ccb993

zUtil_Help/gtVersion.m

-function [info] = gtVersion
+function info = gtVersion()
 % GTVERSION  Gives matlabDCT version used with svn information
 %     -------------------------------------------------------------------------
 %     svnInfo = gtVersion 
@@ -10,10 +10,9 @@ function [info] = gtVersion
 %
 %     Version 001 22-08-2012 by YGuilhem
 
-
-% Get DCT_DIR env variable and display it
-dctDir = getenv('DCT_DIR');
-disp(['You are using DCT code from directory: ' dctDir]);
+% Get GT_MATLAB_HOME (which is set in initialise_gt) variable and display it
+global GT_MATLAB_HOME;
+disp(['You are using DCT code from directory: ' GT_MATLAB_HOME]);
 
 % Store LANG env variable and set it as C
 lang = getenv('LANG');
@@ -22,7 +21,7 @@ if ~isempty(lang)
 end
 
 % Guess svn info related to DCT_DIR
-[status, result] = system(['svn info ' dctDir]);
+[status, result] = system(['svn info ' GT_MATLAB_HOME]);
 
 % Set back LANG env variable
 if ~isempty(lang)