[partition] static-assert that our shortcut makes sense

src/modules/partition/core/PartUtils.cpp

@@ -444,6 +444,7 @@ isEfiBootable( const Partition* candidate )
     // TODO: with KPMCore 4, this comment is wrong: the flags
     //       are remapped, and the ESP flag is the same as Boot.
 #if defined( WITH_KPMCORE4API )
+    static_assert( KPM_PARTITION_FLAG_ESP == KPM_PARTITION_FLAG( Boot ), "KPMCore API enum changed" );
     return flags.testFlag( KPM_PARTITION_FLAG_ESP );
 #else
     /* If bit 17 is set, old-style Esp flag, it's OK */