Add munlock call.

Author: cferris1000

compiler-rt/lib/scudo/standalone/tests/map_test.cpp

@@ -119,13 +119,16 @@ TEST(ScudoMapTest, Zeroing) {
   // Now verify that if madvise fails, the data is still zeroed.
   memset(Data, 1U, MemMap.getCapacity());
   EXPECT_NE(-1, mlock(Data, MemMap.getCapacity()));
+
   EXPECT_EQ(1U, Data[0]);
   EXPECT_EQ(1U, Data[PageSize]);
   EXPECT_EQ(1U, Data[PageSize * 2]);
   MemMap.releaseAndZeroPagesToOS(MemMap.getBase(), MemMap.getCapacity());
   EXPECT_EQ(0U, Data[0]);
   EXPECT_EQ(0U, Data[PageSize]);
   EXPECT_EQ(0U, Data[PageSize * 2]);
+
+  EXPECT_NE(-1, munlock(Data, MemMap.getCapacity()));
 #endif
 
   MemMap.unmap();