Issue #1186 - Style conformity for names in installer tests

installer/src/custom-action/close_application.cpp

 /**
  * \file close_application.cpp
  */
 
 #include <algorithm>
 
 #include "session.h"
 #include "property.h"
 #include "database.h"
 #include "process.h"
@@ skipping 190 matching lines @@
      * Levels 2 (silent) and 3 (basic) do not have this ability.
      * Levels 4 (reduced) and 5 (full) do.
      *
      * MSDN [UILevel property](http://msdn.microsoft.com/en-us/library/windows/desktop/aa372096%28v=vs.85%29.aspx)
      */
     std::wstring uilevel = Property(session, L"UILevel");
     bool interactive;
     if (uilevel == L"5" || uilevel == L"4")
     {
       interactive = true;
-      // Assert state is one of { notKnown, allow, passive, active, automatic }
+      // Assert state is one of {notKnown, allow, passive, active, automatic}
     }
     else if (uilevel == L"3" || uilevel == L"2")
     {
       // Assert installer is running without user interaction.
       interactive = false;
       if (state == notKnown)
       {
         // Assert AVOIDREBOOT was not specified
         /*
          * This is where we specify default behavior for non-interactive operation.
@@ skipping 214 matching lines @@
     return ERROR_INSTALL_FAILURE;
   }
   catch (...)
   {
     session.LogNoexcept("terminated by unknown exception");
     return ERROR_INSTALL_FAILURE;
   }
   // Should be unreachable.
   return ERROR_INSTALL_FAILURE;
 }