Fix GCC uninitialized error

src/wasm/wasm-js.cc

Index: src/wasm/wasm-js.cc
diff --git a/src/wasm/wasm-js.cc b/src/wasm/wasm-js.cc
index 811b62f0505bbf6e12afdf85f53710cdb700b6ed..271fe2c06257de3573a6d3f78f19539b3568de45 100644
--- a/src/wasm/wasm-js.cc
+++ b/src/wasm/wasm-js.cc
@@ -368,7 +368,7 @@ void WebAssemblyTable(const v8::FunctionCallbackInfo<v8::Value>& args) {
     return;
   }
   // The descriptor's 'maximum'.
-  int maximum;
+  int maximum = 0;
   Local<String> maximum_key = v8_str(isolate, "maximum");
   Maybe<bool> has_maximum = descriptor->Has(context, maximum_key);
 
@@ -420,7 +420,7 @@ void WebAssemblyMemory(const v8::FunctionCallbackInfo<v8::Value>& args) {
     return;
   }
   // The descriptor's 'maximum'.
-  int maximum;
+  int maximum = 0;
   Local<String> maximum_key = v8_str(isolate, "maximum");
   Maybe<bool> has_maximum = descriptor->Has(context, maximum_key);