Update to patched glutin wasm_stub allowing compiling for wasi

Includes iceiix/glutin@1e48d32

Progress towards #115, fixes the missing glutin symbols when compiling
with cargo +nightly build --target wasm32-wasi

Author: iceiix

Cargo.lock

@@ -21,7 +21,7 @@ opt-level = 1
 cfg-if = "0.1.9"
 wasm-bindgen = "0.2.44"
 sha-1 = "0.8.1"
-glutin = { git = "https://github.com/iceiix/glutin", rev = "5ff18dec039f6854091685980d7213858a8aaa4c" }
+glutin = { git = "https://github.com/iceiix/glutin", rev = "1e48d3216ed692596983a7b053caf8c73e6bbf22" }
 byteorder = "1.2.7"
 serde = "1.0.91"
 serde_json = "1.0.39"