Fix build failure in the MOBILEAPP case

We never exit an app process intentionally, so Log::isShutdownCalled()
can always return false.

Change-Id: I6b3cce85ccac5e3ffbb7b29ca552cb9e4441df2a
Reviewed-on: https://gerrit.libreoffice.org/78979
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>

common/Log.cpp

@@ -225,12 +225,12 @@ namespace Log
         std::flush(std::cerr);
         fflush(stderr);
     }
-#endif
 
     bool isShutdownCalled()
     {
         return IsShutdown;
     }
+#endif
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

common/Log.hpp

@@ -61,6 +61,8 @@ namespace Log
     void shutdown();
     /// Was static shutdown() called? If so, producing more logs should be avoided.
     bool isShutdownCalled();
+#else
+    constexpr bool isShutdownCalled() { return false; }
 #endif
 
     char* prefix(char* buffer, std::size_t len, const char* level);