[gnome-commander/ConvertWarningsToErrors] src/main.cc: fix for -Wswitch-enum

[Uwe Scholz <uwescholz src gnome org>]

commit f8f5729054c6ad6f0c4f4901d646c1dc39a29b07
Author: Mamoru TASAKA <mtasaka fedoraproject org>
Date:   Fri Apr 28 18:38:08 2017 +0900

    src/main.cc: fix for -Wswitch-enum
    
    src/main.cc:78:12: error: enumeration value 'UNIQUE_INVALID' not handled in switch [-Werror=switch-enum]
    likewise

 src/main.cc |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/main.cc b/src/main.cc
index 9bba4ad..0bd25d7 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -75,6 +75,10 @@ static const GOptionEntry options [] =
 #ifdef HAVE_UNIQUE
 static UniqueResponse on_message_received (UniqueApp *app, UniqueCommand cmd, UniqueMessageData *msg, guint 
t, gpointer  user_data)
 {
+#if defined (__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wswitch-enum"
+#endif
     switch (cmd)
     {
         case UNIQUE_ACTIVATE:
@@ -86,6 +90,9 @@ static UniqueResponse on_message_received (UniqueApp *app, UniqueCommand cmd, Un
         default:
             break;
     }
+#if defined (__GNUC__)
+#pragma GCC diagnostic pop
+#endif
 
     return UNIQUE_RESPONSE_OK;
 }