[lsan] Remove semicolon after do {} while (0)

[vries]

Summary

this patch removes a semicolon after "do {} while (0)" in LOG_POINTERS and LOG_THREADS. This allows the macros to be used in if-then-elses without curly braces.

[ https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00298.html ]

[kcc]

LGTM

lib/lsan/lsan_common.cc

#define LSAN_FLAG(Type, Name, DefaultValue, Description) \
   RegisterFlag(parser, #Name, Description, &f->Name);
 #include "lsan_flags.inc"
 #undef LSAN_FLAG
 }
 
 #define LOG_POINTERS(...)                           \
   do {                                              \
     if (flags()->log_pointers) Report(__VA_ARGS__); \
-  } while (0);
+  } while (0)
 
 #define LOG_THREADS(...)                           \
   do {                                             \
     if (flags()->log_threads) Report(__VA_ARGS__); \
-  } while (0);
+  } while (0)
 
 ALIGNED(64) static char suppression_placeholder[sizeof(SuppressionContext)];
 static SuppressionContext *suppression_ctx = nullptr;
 static const char kSuppressionLeak[] = "leak";
 static const char *kSuppressionTypes[] = { kSuppressionLeak };
 static const char kStdSuppressions[] =
 #if SANITIZER_SUPPRESS_LEAK_ON_PTHREAD_EXIT
   // For more details refer to the SANITIZER_SUPPRESS_LEAK_ON_PTHREAD_EXIT