[Test] Increased timeout.

On some slower nodes, the timeout is too low.  Since the test just
verifies that optimization doesn't run forever, increasing the timeout
is consistent with the spirit of the test

rdar://105151757

Author: nate-chandler

test/SILOptimizer/closure_specialize_loop.swift

@@ -1,4 +1,4 @@
-// RUN: %{python} %S/../Inputs/timeout.py 10 %target-swift-frontend -O -parse-as-library %s -emit-sil | %FileCheck %s
+// RUN: %{python} %S/../Inputs/timeout.py 100 %target-swift-frontend -O -parse-as-library %s -emit-sil | %FileCheck %s
 
 public func callit() {
     testit { false }