canonical: don't coerce output

Author: scivision

+stdlib/canonical.m

@@ -46,8 +46,6 @@
   c = stdlib.normalize(e);
 end
 
-c = string(stdlib.posix(c));
-
 end
 
 %!assert(canonical("", 1), "")

+stdlib/normalize.m

@@ -43,7 +43,7 @@
       if isempty(j)
         n = "";
       else
-        n = n{1}(1:j(end)-1);
+        n = string(n{1}(1:j(end)-1));
       end
     end
   elseif all(parts(i) ~= [".", ""])

test/TestCanonical.m

@@ -5,9 +5,9 @@
 {"", ""}, ...
 {"not-exist", "not-exist"}, ...
 {"a/../b", "b"}, ...
-{'~', string(stdlib.homedir())}, ...
+{'~', stdlib.homedir()}, ...
 {"~", string(stdlib.homedir())}, ...
-{'~/', string(stdlib.homedir())}, ...
+{'~/', stdlib.homedir()}, ...
 {"~/", string(stdlib.homedir())}, ...
 {"~/..", string(stdlib.parent(stdlib.homedir()))}, ...
 {mfilename("fullpath") + ".m/..", string(stdlib.parent(mfilename("fullpath")))}, ...