properly mark a gen test as disabled

Summary: Fixing a typo in the mechanism that was intended to disable it.

Reviewed By: ddrcoder

Differential Revision: D62519137

fbshipit-source-id: 4341ea3094c8d8154e6e1adbdd1c9643204e6512

folly/gen/test/BaseTest.cpp

@@ -1203,7 +1203,7 @@ TEST(Gen, Guard) {
 }
 
 // Disabled: guard currently can't catch exceptions thrown after a buffering op.
-TEST(Gen, DISABLEDGuardthroughbuffers) {
+TEST(Gen, DISABLED_Guardthroughbuffers) {
   using std::runtime_error;
   // clang-format off
   EXPECT_EQ(