Fix Android build after commit ac419786

... giving this error:

   In file included from
   /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:50:
   /home/android/lo/master-android-arm/include/comphelper/scopeguard.hxx:36:14:
   error: function 'comphelper::<deduction guide for ScopeGuard><(lambda at
   /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:34)>'
   has internal linkage but is not defined [-Werror,-Wundefined-internal]
       explicit ScopeGuard( Func && func ) : m_func( std::move(func) ) {}
                ^
   /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:28:
   note: used here
       comphelper::ScopeGuard guard([&]() {
                              ^

See https://lists.freedesktop.org/archives/libreoffice/2019-April/082599.html

Change-Id: If719d183d2ce15fa4877cd8bbf457d79097765be
Reviewed-on: https://gerrit.libreoffice.org/71510Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>

include/comphelper/scopeguard.hxx

@@ -24,6 +24,28 @@
 #include <sal/log.hxx>
 #include <com/sun/star/uno/Exception.hpp>
 
+
+// For some reason, Android buildbot issues -Werror like this:
+//   In file included from
+//   /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:50:
+//   /home/android/lo/master-android-arm/include/comphelper/scopeguard.hxx:36:14:
+//   error: function 'comphelper::<deduction guide for ScopeGuard><(lambda at
+//   /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:34)>'
+//   has internal linkage but is not defined [-Werror,-Wundefined-internal]
+//       explicit ScopeGuard( Func && func ) : m_func( std::move(func) ) {}
+//                ^
+//   /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:28:
+//   note: used here
+//       comphelper::ScopeGuard guard([&]() {
+//                              ^
+#ifdef ANDROID
+#if defined __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wundefined-internal"
+#endif
+#endif
+
+
 namespace comphelper {
 
 /** ScopeGuard to ease writing exception-safe code.
@@ -69,6 +91,12 @@ private:
 
 } // namespace comphelper
 
+#ifdef ANDROID
+#if defined __clang__
+#pragma clang diagnostic pop
+#endif
+#endif
+
 #endif // ! defined(INCLUDED_COMPHELPER_SCOPEGUARD_HXX)
 
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