FindMatlab: Windows -wait is only for -r, not -batch

Modules/MatlabTestsRedirect.cmake

@@ -19,8 +19,8 @@
 #   -P FindMatlab_TestsRedirect.cmake
 
 set(Matlab_UNIT_TESTS_CMD -nosplash -nodesktop -nodisplay ${Matlab_ADDITIONAL_STARTUP_OPTIONS})
-if(WIN32)
-  set(Matlab_UNIT_TESTS_CMD ${Matlab_UNIT_TESTS_CMD} -wait)
+if(WIN32 AND maut_BATCH_OPTION STREQUAL "-r")
+  list(APPEND Matlab_UNIT_TESTS_CMD -wait)
 endif()
 
 if(NOT test_timeout)