[oss-fuzz] Enable msan for fuzz tests (#734)

* Disable openssl as we're not using it in fuzz tests

* Increase timeout in ClientStop test

test/fuzzing/Makefile

@@ -19,7 +19,8 @@ all : server_fuzzer
 
 # Fuzz target, so that you can choose which $(LIB_FUZZING_ENGINE) to use.
 server_fuzzer : server_fuzzer.cc ../../httplib.h
-	$(CXX) $(CXXFLAGS) -o $@  $<  -Wl,-Bstatic $(OPENSSL_SUPPORT)  -Wl,-Bdynamic -ldl  $(ZLIB_SUPPORT)  $(LIB_FUZZING_ENGINE) -pthread
+# 	$(CXX) $(CXXFLAGS) -o $@  $<  -Wl,-Bstatic $(OPENSSL_SUPPORT)  -Wl,-Bdynamic -ldl  $(ZLIB_SUPPORT)  $(LIB_FUZZING_ENGINE) -pthread
+	$(CXX) $(CXXFLAGS) -o $@  $<  $(ZLIB_SUPPORT)  $(LIB_FUZZING_ENGINE) -pthread
 	zip -q -r server_fuzzer_seed_corpus.zip corpus
 
 clean:

test/test.cc

@@ -1974,8 +1974,7 @@ TEST_F(ServerTest, ClientStop) {
     }));
   }
 
-  std::this_thread::sleep_for(std::chrono::seconds(1));
-
+  std::this_thread::sleep_for(std::chrono::seconds(2));
   while (cli_.is_socket_open()) {
     cli_.stop();
     std::this_thread::sleep_for(std::chrono::milliseconds(10));