[libFuzzer] Place volatile after pointer types.

For a few tests, volatile was placed before the '*' in pointer
declarations, resulting in it applying to the underlying data rather
than the pointer itself.  Placing volatile after the '*' allows us to
switch those tests to -O2.

llvm-svn: 328633
diff --git a/compiler-rt/test/fuzzer/LeakTest.cpp b/compiler-rt/test/fuzzer/LeakTest.cpp
index ea89e39..f259e9d 100644
--- a/compiler-rt/test/fuzzer/LeakTest.cpp
+++ b/compiler-rt/test/fuzzer/LeakTest.cpp
@@ -5,7 +5,7 @@
 #include <cstddef>
 #include <cstdint>
 
-static volatile void *Sink;
+static void * volatile Sink;
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   if (Size > 0 && *Data == 'H') {