[lsan] [FIXUP] Fixup for http://reviews.llvm.org/D54484

After the change, the tests started failing, as skipped sections can be
equal in size to kMaxSegName.
Changing `<` to `<=` to address the off-by-one problem.

llvm-svn: 346804

compiler-rt/lib/lsan/lsan_common_mac.cc

@@ -118,7 +118,7 @@ static const char *kSkippedSecNames[] = {
 // Scans global variables for heap pointers.
 void ProcessGlobalRegions(Frontier *frontier) {
   for (auto name : kSkippedSecNames)
-    CHECK(internal_strnlen(name, kMaxSegName) < kMaxSegName);
+    CHECK(internal_strnlen(name, kMaxSegName + 1) <= kMaxSegName);
 
   MemoryMappingLayout memory_mapping(false);
   InternalMmapVector<LoadedModule> modules;