LibAudio: Allow WAV files up to 1GB.

We were limiting ourselves to only play WAV files smaller than 42 MB
for no particular reason. This patch increases the limit to 1 GB.
Perhaps there should not be any limit at all, but 1GB seems like a
reasonable sanity check at the moment. :^)

Libraries/LibAudio/AWavLoader.cpp

@@ -55,9 +55,9 @@ bool AWavLoader::parse_header()
 
  u32 sz;
  stream >> sz;
- ok = ok && sz < 1024 * 1024 * 42; // arbitrary
+ ok = ok && sz < 1024 * 1024 * 1024; // arbitrary
  CHECK_OK("File size");
- ASSERT(sz < 1024 * 1024 * 42);
+ ASSERT(sz < 1024 * 1024 * 1024);
 
  u32 wave;
  stream >> wave;