Eliminate duplicate shims

Author: mcg1969

shims/cvx_mosek.m

@@ -11,6 +11,7 @@
 
 fs = cvx___.fs;
 mext = cvx___.mext;
+mlen = length(mext);
 
 fbase = 'mosekopt';
 fname = [ fbase, '.', mext ];
@@ -29,6 +30,7 @@
     if cvx___.cs, scmp = @strcmp; else scmp = @strcmpi; end
     for k = 1 : length(fpaths)
         fpath = fpaths{k};
+        if ~scmp(fpath(end-mlen+1:end), mext), continue; end
         if any( scmp( fpath, fpaths(1:k-1) ) ), continue; end
         if ~exist( fpath, 'file' ), continue; end
         tshim = oshim;