Fix all of the unannotated switch cases to annotate the fall through or do the right thing and break.

llvm-svn: 261950

lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp

@@ -5120,6 +5120,7 @@ ObjectFileMachO::GetEntryPointAddress ()
                         start_address = text_segment_sp->GetFileAddress() + entryoffset;
                     }
                 }
+                break;
 
             default:
                 break;