ENH: Try to fix spaces in the path problem

Tests/SimpleExclude/run.cmake.in

@@ -1,8 +1,8 @@
-set(t4_name "@CMAKE_CURRENT_BINARY_DIR@${CFG_DIR}/t4")
+set(t4_name "\"@CMAKE_CURRENT_BINARY_DIR@${CFG_DIR}/t4\"")
 exec_program("${t4_name}" RETURN_VALUE "t4_var")
 message("T4 ${t4_name} resulted ${t4_var}")
 
-set(t9_name "@CMAKE_CURRENT_BINARY_DIR@${CFG_DIR}/t9")
+set(t9_name "\"@CMAKE_CURRENT_BINARY_DIR@${CFG_DIR}/t9\"")
 exec_program("${t9_name}" RETURN_VALUE "t9_var")
 message("T9 ${t9_name} resulted ${t9_var}")