Add missing dependency to emscripten_runtime_keepalive_clear. NFC

Fixes #22783

Author: sbc100

src/library.js

@@ -85,7 +85,7 @@ addToLibrary({
 #if PTHREADS
     '$exitOnMainThread',
 #endif
-#if PTHREADS_DEBUG
+#if PTHREADS_DEBUG || ASSERTIONS
     '$runtimeKeepaliveCounter',
 #endif
   ],
@@ -2016,6 +2016,9 @@ addToLibrary({
     throw 'unwind';
   },
 
+#if !MINIMAL_RUNTIME
+  _emscripten_runtime_keepalive_clear__deps: ['$runtimeKeepaliveCounter'],
+#endif
   _emscripten_runtime_keepalive_clear: () => {
 #if isSymbolNeeded('$noExitRuntime')
     noExitRuntime = false;

test/test_other.py

@@ -15169,3 +15169,6 @@ def test_fp16(self, opts):
 
   def test_embool(self):
     self.do_other_test('test_embool.c')
+
+  def test_strict_closure(self):
+    self.emcc(test_file('hello_world.c'), ['-sSTRICT', '--closure=1'])