[libFuzzer] Fix stack-overflow-with-asan.test.

Fix function return type and remove check for SUMMARY, since it doesn't
seem to be output in Windows.

Author: morehouse

compiler-rt/test/fuzzer/StackOverflowTest.cpp

@@ -10,7 +10,7 @@
 volatile int x;
 volatile int y = 1;
 
-int infinite_recursion(char *p) {
+void infinite_recursion(char *p) {
   char *buf = nullptr;
 
   if (y)

compiler-rt/test/fuzzer/stack-overflow-with-asan.test

@@ -1,3 +1,3 @@
-CHECK: SUMMARY: AddressSanitizer: stack-overflow
+CHECK: AddressSanitizer: stack-overflow
 RUN: %cpp_compiler %S/StackOverflowTest.cpp -o %t-StackOverflowTest
 RUN: not %run %t-StackOverflowTest 2>&1 | FileCheck %s