Merge branch 'x13_space_path' into 'master'

x13: allow for Windows paths with spaces

See merge request !49

src/@x13/run.m

@@ -31,7 +31,11 @@ if ~exist(x13b, 'file')
 end
 
 % Run spc file.
-[errorflag, msg] = system(sprintf('%s %s', x13b, basename));
+if ispc
+    [errorflag, msg] = system(sprintf('"%s" %s', x13b, basename));
+else
+    [errorflag, msg] = system(sprintf('%s %s', x13b, basename));
+end
 
 if errorflag
     skipline()