mdds: work around warning from MSVC which is a little too smart

Change-Id: I26df48a24dbdd6e4363f5c08d87b6583a56da00e

mdds/UnpackedTarball_mdds.mk

@@ -16,6 +16,7 @@ $(eval $(call gb_UnpackedTarball_set_patchlevel,mdds,3))
 $(eval $(call gb_UnpackedTarball_add_patches,mdds,\
 	mdds/mdds_0.6.0.patch \
 	mdds/0001-Workaround-for-gcc-bug.patch \
+	mdds/mdds_0.7.0_unreachable_warning.patch.1 \
 ))
 
 $(eval $(call gb_UnpackedTarball_mark_output_files,mdds,\

mdds/mdds_0.7.0_unreachable_warning.patch.1

+diff -ru mdds.old/include/mdds/multi_type_vector_def.inl mdds/include/mdds/multi_type_vector_def.inl
+--- mdds.old/include/mdds/multi_type_vector_def.inl	2013-03-12 21:18:16.340506918 +0100
++++ mdds/include/mdds/multi_type_vector_def.inl	2013-03-14 17:56:07.275475086 +0100
+@@ -652,7 +652,9 @@
+             }
+         }
+ 
++#ifndef _MSC_VER // MSVC is too smart and warns about unreachable code
+         assert(!"this code path should never be reached!");
++#endif
+     }
+ 
+     // This empty block is right below a non-empty block.